15745015

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{61}}^1$

素因数の和:128

約数の個数: 48

約数和(自身を含む): 23810976

約数和(自身を除く): 8065961

約数列:

[1, 5, 11, 13, 19, 55, 61, 65, 95, 143, 209, 247, 305, 361, 671, 715, 793, 1045, 1159, 1235, 1805, 2717, 3355, 3965, 3971, 4693, 5795, 8723, 12749, 13585, 15067, 19855, 22021, 23465, 43615, 51623, 63745, 75335, 110105, 165737, 242231, 258115, 286273, 828685, 1211155, 1431365, 3149003, 15745015]

約数ペア:

[(1, 15745015), (5, 3149003), (11, 1431365), (13, 1211155), (19, 828685), (55, 286273), (61, 258115), (65, 242231), (95, 165737), (143, 110105), (209, 75335), (247, 63745), (305, 51623), (361, 43615), (671, 23465), (715, 22021), (793, 19855), (1045, 15067), (1159, 13585), (1235, 12749), (1805, 8723), (2717, 5795), (3355, 4693), (3965, 3971)]