207668715

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{397}}^1\times {\mathrm{811}}^1$

素因数の和:1259

約数の個数: 32

約数和(自身を含む): 341273856

約数和(自身を除く): 133605141

約数列:

[1, 3, 5, 15, 43, 129, 215, 397, 645, 811, 1191, 1985, 2433, 4055, 5955, 12165, 17071, 34873, 51213, 85355, 104619, 174365, 256065, 321967, 523095, 965901, 1609835, 4829505, 13844581, 41533743, 69222905, 207668715]

約数ペア:

[(1, 207668715), (3, 69222905), (5, 41533743), (15, 13844581), (43, 4829505), (129, 1609835), (215, 965901), (397, 523095), (645, 321967), (811, 256065), (1191, 174365), (1985, 104619), (2433, 85355), (4055, 51213), (5955, 34873), (12165, 17071)]