7217775

素因数分解:

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

素因数の和:90

約数の個数: 72

約数和(自身を含む): 14465840

約数和(自身を除く): 7248065

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 37, 45, 51, 75, 85, 111, 135, 153, 185, 225, 255, 289, 333, 425, 459, 555, 629, 675, 765, 867, 925, 999, 1275, 1445, 1665, 1887, 2295, 2601, 2775, 3145, 3825, 4335, 4995, 5661, 7225, 7803, 8325, 9435, 10693, 11475, 13005, 15725, 16983, 21675, 24975, 28305, 32079, 39015, 47175, 53465, 65025, 84915, 96237, 141525, 160395, 195075, 267325, 288711, 424575, 481185, 801975, 1443555, 2405925, 7217775]

約数ペア:

[(1, 7217775), (3, 2405925), (5, 1443555), (9, 801975), (15, 481185), (17, 424575), (25, 288711), (27, 267325), (37, 195075), (45, 160395), (51, 141525), (75, 96237), (85, 84915), (111, 65025), (135, 53465), (153, 47175), (185, 39015), (225, 32079), (255, 28305), (289, 24975), (333, 21675), (425, 16983), (459, 15725), (555, 13005), (629, 11475), (675, 10693), (765, 9435), (867, 8325), (925, 7803), (999, 7225), (1275, 5661), (1445, 4995), (1665, 4335), (1887, 3825), (2295, 3145), (2601, 2775)]