225385251

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1999}}^1$

素因数の和:2088

約数の個数: 48

約数和(自身を含む): 383040000

約数和(自身を除く): 157654749

約数列:

[1, 3, 7, 13, 21, 39, 49, 59, 91, 147, 177, 273, 413, 637, 767, 1239, 1911, 1999, 2301, 2891, 5369, 5997, 8673, 13993, 16107, 25987, 37583, 41979, 77961, 97951, 112749, 117941, 181909, 293853, 353823, 545727, 825587, 1273363, 1533233, 2476761, 3820089, 4599699, 5779109, 10732631, 17337327, 32197893, 75128417, 225385251]

約数ペア:

[(1, 225385251), (3, 75128417), (7, 32197893), (13, 17337327), (21, 10732631), (39, 5779109), (49, 4599699), (59, 3820089), (91, 2476761), (147, 1533233), (177, 1273363), (273, 825587), (413, 545727), (637, 353823), (767, 293853), (1239, 181909), (1911, 117941), (1999, 112749), (2301, 97951), (2891, 77961), (5369, 41979), (5997, 37583), (8673, 25987), (13993, 16107)]