200969775

素因数分解:

$3^3\times 5^2\times {\mathrm{173}}^1\times {\mathrm{1721}}^1$

素因数の和:1913

約数の個数: 48

約数和(自身を含む): 371538720

約数和(自身を除く): 170568945

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 173, 225, 519, 675, 865, 1557, 1721, 2595, 4325, 4671, 5163, 7785, 8605, 12975, 15489, 23355, 25815, 38925, 43025, 46467, 77445, 116775, 129075, 232335, 297733, 387225, 893199, 1161675, 1488665, 2679597, 4465995, 7443325, 8038791, 13397985, 22329975, 40193955, 66989925, 200969775]

約数ペア:

[(1, 200969775), (3, 66989925), (5, 40193955), (9, 22329975), (15, 13397985), (25, 8038791), (27, 7443325), (45, 4465995), (75, 2679597), (135, 1488665), (173, 1161675), (225, 893199), (519, 387225), (675, 297733), (865, 232335), (1557, 129075), (1721, 116775), (2595, 77445), (4325, 46467), (4671, 43025), (5163, 38925), (7785, 25815), (8605, 23355), (12975, 15489)]