181545

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:54

約数の個数: 48

約数和(自身を含む): 383040

約数和(自身を除く): 201495

約数列:

[1, 3, 5, 7, 13, 15, 19, 21, 35, 39, 49, 57, 65, 91, 95, 105, 133, 147, 195, 245, 247, 273, 285, 399, 455, 637, 665, 735, 741, 931, 1235, 1365, 1729, 1911, 1995, 2793, 3185, 3705, 4655, 5187, 8645, 9555, 12103, 13965, 25935, 36309, 60515, 181545]

約数ペア:

[(1, 181545), (3, 60515), (5, 36309), (7, 25935), (13, 13965), (15, 12103), (19, 9555), (21, 8645), (35, 5187), (39, 4655), (49, 3705), (57, 3185), (65, 2793), (91, 1995), (95, 1911), (105, 1729), (133, 1365), (147, 1235), (195, 931), (245, 741), (247, 735), (273, 665), (285, 637), (399, 455)]