1915707975

素因数分解:

$3^1\times 5^2\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{2671}}^1$

素因数の和:2888

約数の個数: 48

約数和(自身を含む): 3236411904

約数和(自身を除く): 1320703929

約数列:

[1, 3, 5, 15, 25, 73, 75, 131, 219, 365, 393, 655, 1095, 1825, 1965, 2671, 3275, 5475, 8013, 9563, 9825, 13355, 28689, 40065, 47815, 66775, 143445, 194983, 200325, 239075, 349901, 584949, 717225, 974915, 1049703, 1749505, 2924745, 4874575, 5248515, 8747525, 14623725, 25542773, 26242575, 76628319, 127713865, 383141595, 638569325, 1915707975]

約数ペア:

[(1, 1915707975), (3, 638569325), (5, 383141595), (15, 127713865), (25, 76628319), (73, 26242575), (75, 25542773), (131, 14623725), (219, 8747525), (365, 5248515), (393, 4874575), (655, 2924745), (1095, 1749505), (1825, 1049703), (1965, 974915), (2671, 717225), (3275, 584949), (5475, 349901), (8013, 239075), (9563, 200325), (9825, 194983), (13355, 143445), (28689, 66775), (40065, 47815)]