77489775

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{239}}^1$

素因数の和:397

約数の個数: 72

約数和(自身を含む): 153204480

約数和(自身を除く): 75714705

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 131, 165, 225, 239, 275, 393, 495, 655, 717, 825, 1179, 1195, 1441, 1965, 2151, 2475, 2629, 3275, 3585, 4323, 5895, 5975, 7205, 7887, 9825, 10755, 12969, 13145, 17925, 21615, 23661, 29475, 31309, 36025, 39435, 53775, 64845, 65725, 93927, 108075, 118305, 156545, 197175, 281781, 324225, 344399, 469635, 591525, 782725, 1033197, 1408905, 1721995, 2348175, 3099591, 5165985, 7044525, 8609975, 15497955, 25829925, 77489775]

約数ペア:

[(1, 77489775), (3, 25829925), (5, 15497955), (9, 8609975), (11, 7044525), (15, 5165985), (25, 3099591), (33, 2348175), (45, 1721995), (55, 1408905), (75, 1033197), (99, 782725), (131, 591525), (165, 469635), (225, 344399), (239, 324225), (275, 281781), (393, 197175), (495, 156545), (655, 118305), (717, 108075), (825, 93927), (1179, 65725), (1195, 64845), (1441, 53775), (1965, 39435), (2151, 36025), (2475, 31309), (2629, 29475), (3275, 23661), (3585, 21615), (4323, 17925), (5895, 13145), (5975, 12969), (7205, 10755), (7887, 9825)]