157981005

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{223}}^1$

素因数の和:427

約数の個数: 96

約数和(自身を含む): 340494336

約数和(自身を除く): 182513331

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 45, 63, 65, 91, 105, 117, 173, 195, 223, 273, 315, 455, 519, 585, 669, 819, 865, 1115, 1211, 1365, 1557, 1561, 2007, 2249, 2595, 2899, 3345, 3633, 4095, 4683, 6055, 6747, 7785, 7805, 8697, 10035, 10899, 11245, 14049, 14495, 15743, 18165, 20241, 20293, 23415, 26091, 33735, 38579, 43485, 47229, 54495, 60879, 70245, 78715, 101205, 101465, 115737, 130455, 141687, 182637, 192895, 236145, 270053, 304395, 347211, 501527, 578685, 708435, 810159, 913185, 1350265, 1504581, 1736055, 2430477, 2507635, 3510689, 4050795, 4513743, 7522905, 10532067, 12152385, 17553445, 22568715, 31596201, 52660335, 157981005]

約数ペア:

[(1, 157981005), (3, 52660335), (5, 31596201), (7, 22568715), (9, 17553445), (13, 12152385), (15, 10532067), (21, 7522905), (35, 4513743), (39, 4050795), (45, 3510689), (63, 2507635), (65, 2430477), (91, 1736055), (105, 1504581), (117, 1350265), (173, 913185), (195, 810159), (223, 708435), (273, 578685), (315, 501527), (455, 347211), (519, 304395), (585, 270053), (669, 236145), (819, 192895), (865, 182637), (1115, 141687), (1211, 130455), (1365, 115737), (1557, 101465), (1561, 101205), (2007, 78715), (2249, 70245), (2595, 60879), (2899, 54495), (3345, 47229), (3633, 43485), (4095, 38579), (4683, 33735), (6055, 26091), (6747, 23415), (7785, 20293), (7805, 20241), (8697, 18165), (10035, 15743), (10899, 14495), (11245, 14049)]