66872775

素因数分解:

$3^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{311}}^1$

素因数の和:432

約数の個数: 48

約数和(自身を含む): 115135488

約数和(自身を除く): 48262713

約数列:

[1, 3, 5, 15, 25, 47, 61, 75, 141, 183, 235, 305, 311, 705, 915, 933, 1175, 1525, 1555, 2867, 3525, 4575, 4665, 7775, 8601, 14335, 14617, 18971, 23325, 43005, 43851, 56913, 71675, 73085, 94855, 215025, 219255, 284565, 365425, 474275, 891637, 1096275, 1422825, 2674911, 4458185, 13374555, 22290925, 66872775]

約数ペア:

[(1, 66872775), (3, 22290925), (5, 13374555), (15, 4458185), (25, 2674911), (47, 1422825), (61, 1096275), (75, 891637), (141, 474275), (183, 365425), (235, 284565), (305, 219255), (311, 215025), (705, 94855), (915, 73085), (933, 71675), (1175, 56913), (1525, 43851), (1555, 43005), (2867, 23325), (3525, 18971), (4575, 14617), (4665, 14335), (7775, 8601)]