129233775

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{383}}^1\times {\mathrm{409}}^1$

素因数の和:816

約数の個数: 48

約数和(自身を含む): 234270720

約数和(自身を除く): 105036945

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 165, 275, 383, 409, 825, 1149, 1227, 1915, 2045, 4213, 4499, 5745, 6135, 9575, 10225, 12639, 13497, 21065, 22495, 28725, 30675, 63195, 67485, 105325, 112475, 156647, 315975, 337425, 469941, 783235, 1723117, 2349705, 3916175, 5169351, 8615585, 11748525, 25846755, 43077925, 129233775]

約数ペア:

[(1, 129233775), (3, 43077925), (5, 25846755), (11, 11748525), (15, 8615585), (25, 5169351), (33, 3916175), (55, 2349705), (75, 1723117), (165, 783235), (275, 469941), (383, 337425), (409, 315975), (825, 156647), (1149, 112475), (1227, 105325), (1915, 67485), (2045, 63195), (4213, 30675), (4499, 28725), (5745, 22495), (6135, 21065), (9575, 13497), (10225, 12639)]