15910895

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2$

素因数の和:81

約数の個数: 72

約数和(自身を含む): 27438432

約数和(自身を除く): 11527537

約数列:

[1, 5, 7, 11, 13, 17, 35, 55, 65, 77, 85, 91, 119, 121, 143, 187, 221, 289, 385, 455, 595, 605, 715, 847, 935, 1001, 1105, 1309, 1445, 1547, 1573, 2023, 2057, 2431, 3179, 3757, 4235, 5005, 6545, 7735, 7865, 10115, 10285, 11011, 12155, 14399, 15895, 17017, 18785, 22253, 26299, 26741, 34969, 41327, 55055, 71995, 85085, 111265, 131495, 133705, 174845, 187187, 206635, 244783, 289289, 454597, 935935, 1223915, 1446445, 2272985, 3182179, 15910895]

約数ペア:

[(1, 15910895), (5, 3182179), (7, 2272985), (11, 1446445), (13, 1223915), (17, 935935), (35, 454597), (55, 289289), (65, 244783), (77, 206635), (85, 187187), (91, 174845), (119, 133705), (121, 131495), (143, 111265), (187, 85085), (221, 71995), (289, 55055), (385, 41327), (455, 34969), (595, 26741), (605, 26299), (715, 22253), (847, 18785), (935, 17017), (1001, 15895), (1105, 14399), (1309, 12155), (1445, 11011), (1547, 10285), (1573, 10115), (2023, 7865), (2057, 7735), (2431, 6545), (3179, 5005), (3757, 4235)]