22219425

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:227

約数の個数: 72

約数和(自身を含む): 43553016

約数和(自身を除く): 21333591

約数列:

[1, 3, 5, 9, 15, 17, 25, 37, 45, 51, 75, 85, 111, 153, 157, 185, 225, 255, 333, 425, 471, 555, 629, 765, 785, 925, 1275, 1413, 1665, 1887, 2355, 2669, 2775, 3145, 3825, 3925, 5661, 5809, 7065, 8007, 8325, 9435, 11775, 13345, 15725, 17427, 24021, 28305, 29045, 35325, 40035, 47175, 52281, 66725, 87135, 98753, 120105, 141525, 145225, 200175, 261405, 296259, 435675, 493765, 600525, 888777, 1307025, 1481295, 2468825, 4443885, 7406475, 22219425]

約数ペア:

[(1, 22219425), (3, 7406475), (5, 4443885), (9, 2468825), (15, 1481295), (17, 1307025), (25, 888777), (37, 600525), (45, 493765), (51, 435675), (75, 296259), (85, 261405), (111, 200175), (153, 145225), (157, 141525), (185, 120105), (225, 98753), (255, 87135), (333, 66725), (425, 52281), (471, 47175), (555, 40035), (629, 35325), (765, 29045), (785, 28305), (925, 24021), (1275, 17427), (1413, 15725), (1665, 13345), (1887, 11775), (2355, 9435), (2669, 8325), (2775, 8007), (3145, 7065), (3825, 5809), (3925, 5661)]