79728525

素因数分解:

$3^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:271

約数の個数: 72

約数和(自身を含む): 150015944

約数和(自身を除く): 70287419

約数列:

[1, 3, 5, 9, 15, 25, 37, 45, 61, 75, 111, 157, 183, 185, 225, 305, 333, 471, 549, 555, 785, 915, 925, 1413, 1525, 1665, 2257, 2355, 2745, 2775, 3925, 4575, 5809, 6771, 7065, 8325, 9577, 11285, 11775, 13725, 17427, 20313, 28731, 29045, 33855, 35325, 47885, 52281, 56425, 86193, 87135, 101565, 143655, 145225, 169275, 239425, 261405, 354349, 430965, 435675, 507825, 718275, 1063047, 1307025, 1771745, 2154825, 3189141, 5315235, 8858725, 15945705, 26576175, 79728525]

約数ペア:

[(1, 79728525), (3, 26576175), (5, 15945705), (9, 8858725), (15, 5315235), (25, 3189141), (37, 2154825), (45, 1771745), (61, 1307025), (75, 1063047), (111, 718275), (157, 507825), (183, 435675), (185, 430965), (225, 354349), (305, 261405), (333, 239425), (471, 169275), (549, 145225), (555, 143655), (785, 101565), (915, 87135), (925, 86193), (1413, 56425), (1525, 52281), (1665, 47885), (2257, 35325), (2355, 33855), (2745, 29045), (2775, 28731), (3925, 20313), (4575, 17427), (5809, 13725), (6771, 11775), (7065, 11285), (8325, 9577)]