221245245

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{2887}}^1$

素因数の和:3042

約数の個数: 48

約数和(自身を含む): 416287872

約数和(自身を除く): 195042627

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 131, 195, 393, 585, 655, 1179, 1703, 1965, 2887, 5109, 5895, 8515, 8661, 14435, 15327, 25545, 25983, 37531, 43305, 76635, 112593, 129915, 187655, 337779, 378197, 562965, 1134591, 1688895, 1890985, 3403773, 4916561, 5672955, 14749683, 17018865, 24582805, 44249049, 73748415, 221245245]

約数ペア:

[(1, 221245245), (3, 73748415), (5, 44249049), (9, 24582805), (13, 17018865), (15, 14749683), (39, 5672955), (45, 4916561), (65, 3403773), (117, 1890985), (131, 1688895), (195, 1134591), (393, 562965), (585, 378197), (655, 337779), (1179, 187655), (1703, 129915), (1965, 112593), (2887, 76635), (5109, 43305), (5895, 37531), (8515, 25983), (8661, 25545), (14435, 15327)]