811606725

素因数分解:

$3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{563}}^1$

素因数の和:771

約数の個数: 72

約数和(自身を含む): 1500127200

約数和(自身を除く): 688520475

約数列:

[1, 3, 5, 9, 15, 25, 43, 45, 75, 129, 149, 215, 225, 387, 447, 563, 645, 745, 1075, 1341, 1689, 1935, 2235, 2815, 3225, 3725, 5067, 6407, 6705, 8445, 9675, 11175, 14075, 19221, 24209, 25335, 32035, 33525, 42225, 57663, 72627, 83887, 96105, 121045, 126675, 160175, 217881, 251661, 288315, 363135, 419435, 480525, 605225, 754983, 1089405, 1258305, 1441575, 1815675, 2097175, 3607141, 3774915, 5447025, 6291525, 10821423, 18035705, 18874575, 32464269, 54107115, 90178525, 162321345, 270535575, 811606725]

約数ペア:

[(1, 811606725), (3, 270535575), (5, 162321345), (9, 90178525), (15, 54107115), (25, 32464269), (43, 18874575), (45, 18035705), (75, 10821423), (129, 6291525), (149, 5447025), (215, 3774915), (225, 3607141), (387, 2097175), (447, 1815675), (563, 1441575), (645, 1258305), (745, 1089405), (1075, 754983), (1341, 605225), (1689, 480525), (1935, 419435), (2235, 363135), (2815, 288315), (3225, 251661), (3725, 217881), (5067, 160175), (6407, 126675), (6705, 121045), (8445, 96105), (9675, 83887), (11175, 72627), (14075, 57663), (19221, 42225), (24209, 33525), (25335, 32035)]