155287145

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{241}}^1\times {\mathrm{431}}^1$

素因数の和:713

約数の個数: 32

約数和(自身を含む): 210760704

約数和(自身を除く): 55473559

約数列:

[1, 5, 13, 23, 65, 115, 241, 299, 431, 1205, 1495, 2155, 3133, 5543, 5603, 9913, 15665, 27715, 28015, 49565, 72059, 103871, 128869, 360295, 519355, 644345, 1350323, 2389033, 6751615, 11945165, 31057429, 155287145]

約数ペア:

[(1, 155287145), (5, 31057429), (13, 11945165), (23, 6751615), (65, 2389033), (115, 1350323), (241, 644345), (299, 519355), (431, 360295), (1205, 128869), (1495, 103871), (2155, 72059), (3133, 49565), (5543, 28015), (5603, 27715), (9913, 15665)]