2120762007

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{797}}^1$

素因数の和:867

約数の個数: 120

約数和(自身を含む): 4120322976

約数和(自身を除く): 1999560969

約数列:

[1, 3, 7, 9, 13, 19, 21, 27, 39, 57, 63, 81, 91, 117, 133, 171, 189, 247, 273, 351, 361, 399, 513, 567, 741, 797, 819, 1053, 1083, 1197, 1539, 1729, 2223, 2391, 2457, 2527, 3249, 3591, 4693, 5187, 5579, 6669, 7173, 7371, 7581, 9747, 10361, 10773, 14079, 15143, 15561, 16737, 20007, 21519, 22743, 29241, 31083, 32851, 42237, 45429, 46683, 50211, 64557, 68229, 72527, 93249, 98553, 106001, 126711, 136287, 140049, 150633, 196859, 204687, 217581, 279747, 287717, 295659, 318003, 380133, 408861, 451899, 590577, 652743, 839241, 863151, 886977, 954009, 1226583, 1378013, 1771731, 1958229, 2014019, 2589453, 2660931, 2862027, 3740321, 4134039, 5315193, 5874687, 6042057, 7768359, 8586081, 11220963, 12402117, 15945579, 18126171, 23305077, 26182247, 33662889, 37206351, 54378513, 78546741, 100988667, 111619053, 163135539, 235640223, 302966001, 706920669, 2120762007]

約数ペア:

[(1, 2120762007), (3, 706920669), (7, 302966001), (9, 235640223), (13, 163135539), (19, 111619053), (21, 100988667), (27, 78546741), (39, 54378513), (57, 37206351), (63, 33662889), (81, 26182247), (91, 23305077), (117, 18126171), (133, 15945579), (171, 12402117), (189, 11220963), (247, 8586081), (273, 7768359), (351, 6042057), (361, 5874687), (399, 5315193), (513, 4134039), (567, 3740321), (741, 2862027), (797, 2660931), (819, 2589453), (1053, 2014019), (1083, 1958229), (1197, 1771731), (1539, 1378013), (1729, 1226583), (2223, 954009), (2391, 886977), (2457, 863151), (2527, 839241), (3249, 652743), (3591, 590577), (4693, 451899), (5187, 408861), (5579, 380133), (6669, 318003), (7173, 295659), (7371, 287717), (7581, 279747), (9747, 217581), (10361, 204687), (10773, 196859), (14079, 150633), (15143, 140049), (15561, 136287), (16737, 126711), (20007, 106001), (21519, 98553), (22743, 93249), (29241, 72527), (31083, 68229), (32851, 64557), (42237, 50211), (45429, 46683)]