74217825

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{191}}^1$

素因数の和:375

約数の個数: 72

約数和(自身を含む): 146704896

約数和(自身を除く): 72487071

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 157, 165, 191, 225, 275, 471, 495, 573, 785, 825, 955, 1413, 1719, 1727, 2101, 2355, 2475, 2865, 3925, 4775, 5181, 6303, 7065, 8595, 8635, 10505, 11775, 14325, 15543, 18909, 25905, 29987, 31515, 35325, 42975, 43175, 52525, 77715, 89961, 94545, 129525, 149935, 157575, 269883, 329857, 388575, 449805, 472725, 749675, 989571, 1349415, 1649285, 2249025, 2968713, 4947855, 6747075, 8246425, 14843565, 24739275, 74217825]

約数ペア:

[(1, 74217825), (3, 24739275), (5, 14843565), (9, 8246425), (11, 6747075), (15, 4947855), (25, 2968713), (33, 2249025), (45, 1649285), (55, 1349415), (75, 989571), (99, 749675), (157, 472725), (165, 449805), (191, 388575), (225, 329857), (275, 269883), (471, 157575), (495, 149935), (573, 129525), (785, 94545), (825, 89961), (955, 77715), (1413, 52525), (1719, 43175), (1727, 42975), (2101, 35325), (2355, 31515), (2475, 29987), (2865, 25905), (3925, 18909), (4775, 15543), (5181, 14325), (6303, 11775), (7065, 10505), (8595, 8635)]