201965967

素因数分解:

$3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{911}}^1$

素因数の和:970

約数の個数: 80

約数和(自身を含む): 381376512

約数和(自身を除く): 179410545

約数列:

[1, 3, 7, 9, 17, 21, 23, 27, 51, 63, 69, 81, 119, 153, 161, 189, 207, 357, 391, 459, 483, 567, 621, 911, 1071, 1173, 1377, 1449, 1863, 2733, 2737, 3213, 3519, 4347, 6377, 8199, 8211, 9639, 10557, 13041, 15487, 19131, 20953, 24597, 24633, 31671, 46461, 57393, 62859, 73791, 73899, 108409, 139383, 146671, 172179, 188577, 221697, 325227, 356201, 418149, 440013, 516537, 565731, 975681, 1068603, 1254447, 1320039, 1697193, 2493407, 2927043, 3205809, 3960117, 7480221, 8781129, 9617427, 11880351, 22440663, 28852281, 67321989, 201965967]

約数ペア:

[(1, 201965967), (3, 67321989), (7, 28852281), (9, 22440663), (17, 11880351), (21, 9617427), (23, 8781129), (27, 7480221), (51, 3960117), (63, 3205809), (69, 2927043), (81, 2493407), (119, 1697193), (153, 1320039), (161, 1254447), (189, 1068603), (207, 975681), (357, 565731), (391, 516537), (459, 440013), (483, 418149), (567, 356201), (621, 325227), (911, 221697), (1071, 188577), (1173, 172179), (1377, 146671), (1449, 139383), (1863, 108409), (2733, 73899), (2737, 73791), (3213, 62859), (3519, 57393), (4347, 46461), (6377, 31671), (8199, 24633), (8211, 24597), (9639, 20953), (10557, 19131), (13041, 15487)]