890355975

素因数分解:

$3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{4519}}^1$

素因数の和:4640

約数の個数: 48

約数和(自身を含む): 1533473280

約数和(自身を除く): 643117305

約数列:

[1, 3, 5, 15, 25, 37, 71, 75, 111, 185, 213, 355, 555, 925, 1065, 1775, 2627, 2775, 4519, 5325, 7881, 13135, 13557, 22595, 39405, 65675, 67785, 112975, 167203, 197025, 320849, 338925, 501609, 836015, 962547, 1604245, 2508045, 4180075, 4812735, 8021225, 11871413, 12540225, 24063675, 35614239, 59357065, 178071195, 296785325, 890355975]

約数ペア:

[(1, 890355975), (3, 296785325), (5, 178071195), (15, 59357065), (25, 35614239), (37, 24063675), (71, 12540225), (75, 11871413), (111, 8021225), (185, 4812735), (213, 4180075), (355, 2508045), (555, 1604245), (925, 962547), (1065, 836015), (1775, 501609), (2627, 338925), (2775, 320849), (4519, 197025), (5325, 167203), (7881, 112975), (13135, 67785), (13557, 65675), (22595, 39405)]