73257825

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{509}}^1$

素因数の和:642

約数の個数: 48

約数和(自身を含む): 129009600

約数和(自身を除く): 55751775

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 101, 285, 303, 475, 505, 509, 1425, 1515, 1527, 1919, 2525, 2545, 5757, 7575, 7635, 9595, 9671, 12725, 28785, 29013, 38175, 47975, 48355, 51409, 143925, 145065, 154227, 241775, 257045, 725325, 771135, 976771, 1285225, 2930313, 3855675, 4883855, 14651565, 24419275, 73257825]

約数ペア:

[(1, 73257825), (3, 24419275), (5, 14651565), (15, 4883855), (19, 3855675), (25, 2930313), (57, 1285225), (75, 976771), (95, 771135), (101, 725325), (285, 257045), (303, 241775), (475, 154227), (505, 145065), (509, 143925), (1425, 51409), (1515, 48355), (1527, 47975), (1919, 38175), (2525, 29013), (2545, 28785), (5757, 12725), (7575, 9671), (7635, 9595)]