65747025

素因数分解:

$3^3\times 5^2\times {\mathrm{257}}^1\times {\mathrm{379}}^1$

素因数の和:655

約数の個数: 48

約数和(自身を含む): 121569600

約数和(自身を除く): 55822575

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 257, 379, 675, 771, 1137, 1285, 1895, 2313, 3411, 3855, 5685, 6425, 6939, 9475, 10233, 11565, 17055, 19275, 28425, 34695, 51165, 57825, 85275, 97403, 173475, 255825, 292209, 487015, 876627, 1461045, 2435075, 2629881, 4383135, 7305225, 13149405, 21915675, 65747025]

約数ペア:

[(1, 65747025), (3, 21915675), (5, 13149405), (9, 7305225), (15, 4383135), (25, 2629881), (27, 2435075), (45, 1461045), (75, 876627), (135, 487015), (225, 292209), (257, 255825), (379, 173475), (675, 97403), (771, 85275), (1137, 57825), (1285, 51165), (1895, 34695), (2313, 28425), (3411, 19275), (3855, 17055), (5685, 11565), (6425, 10233), (6939, 9475)]