249525525

素因数分解:

$3^1\times 5^2\times {\mathrm{109}}^1\times {\mathrm{131}}^1\times {\mathrm{233}}^1$

素因数の和:486

約数の個数: 48

約数和(自身を含む): 421312320

約数和(自身を除く): 171786795

約数列:

[1, 3, 5, 15, 25, 75, 109, 131, 233, 327, 393, 545, 655, 699, 1165, 1635, 1965, 2725, 3275, 3495, 5825, 8175, 9825, 14279, 17475, 25397, 30523, 42837, 71395, 76191, 91569, 126985, 152615, 214185, 356975, 380955, 457845, 634925, 763075, 1070925, 1904775, 2289225, 3327007, 9981021, 16635035, 49905105, 83175175, 249525525]

約数ペア:

[(1, 249525525), (3, 83175175), (5, 49905105), (15, 16635035), (25, 9981021), (75, 3327007), (109, 2289225), (131, 1904775), (233, 1070925), (327, 763075), (393, 634925), (545, 457845), (655, 380955), (699, 356975), (1165, 214185), (1635, 152615), (1965, 126985), (2725, 91569), (3275, 76191), (3495, 71395), (5825, 42837), (8175, 30523), (9825, 25397), (14279, 17475)]