2405925

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^2\times {\mathrm{37}}^1$

素因数の和:87

約数の個数: 54

約数和(自身を含む): 4701398

約数和(自身を除く): 2295473

約数列:

[1, 3, 5, 9, 15, 17, 25, 37, 45, 51, 75, 85, 111, 153, 185, 225, 255, 289, 333, 425, 555, 629, 765, 867, 925, 1275, 1445, 1665, 1887, 2601, 2775, 3145, 3825, 4335, 5661, 7225, 8325, 9435, 10693, 13005, 15725, 21675, 28305, 32079, 47175, 53465, 65025, 96237, 141525, 160395, 267325, 481185, 801975, 2405925]

約数ペア:

[(1, 2405925), (3, 801975), (5, 481185), (9, 267325), (15, 160395), (17, 141525), (25, 96237), (37, 65025), (45, 53465), (51, 47175), (75, 32079), (85, 28305), (111, 21675), (153, 15725), (185, 13005), (225, 10693), (255, 9435), (289, 8325), (333, 7225), (425, 5661), (555, 4335), (629, 3825), (765, 3145), (867, 2775), (925, 2601), (1275, 1887), (1445, 1665)]