72199905

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{4153}}^1$

素因数の和:4241

約数の個数: 32

約数和(自身を含む): 123623040

約数和(自身を除く): 51423135

約数列:

[1, 3, 5, 15, 19, 57, 61, 95, 183, 285, 305, 915, 1159, 3477, 4153, 5795, 12459, 17385, 20765, 62295, 78907, 236721, 253333, 394535, 759999, 1183605, 1266665, 3799995, 4813327, 14439981, 24066635, 72199905]

約数ペア:

[(1, 72199905), (3, 24066635), (5, 14439981), (15, 4813327), (19, 3799995), (57, 1266665), (61, 1183605), (95, 759999), (183, 394535), (285, 253333), (305, 236721), (915, 78907), (1159, 62295), (3477, 20765), (4153, 17385), (5795, 12459)]