17232215

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{313}}^1$

素因数の和:360

約数の個数: 48

約数和(自身を含む): 28064064

約数和(自身を除く): 10831849

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 121, 143, 313, 385, 455, 605, 715, 847, 1001, 1565, 1573, 2191, 3443, 4069, 4235, 5005, 7865, 10955, 11011, 17215, 20345, 24101, 28483, 37873, 44759, 55055, 120505, 142415, 189365, 223795, 265111, 313313, 492349, 1325555, 1566565, 2461745, 3446443, 17232215]

約数ペア:

[(1, 17232215), (5, 3446443), (7, 2461745), (11, 1566565), (13, 1325555), (35, 492349), (55, 313313), (65, 265111), (77, 223795), (91, 189365), (121, 142415), (143, 120505), (313, 55055), (385, 44759), (455, 37873), (605, 28483), (715, 24101), (847, 20345), (1001, 17215), (1565, 11011), (1573, 10955), (2191, 7865), (3443, 5005), (4069, 4235)]