397337577

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1\times {\mathrm{179}}^1$

素因数の和:422

約数の個数: 64

約数和(自身を含む): 673505280

約数和(自身を除く): 276167703

約数列:

[1, 3, 7, 13, 21, 39, 47, 91, 141, 173, 179, 273, 329, 519, 537, 611, 987, 1211, 1253, 1833, 2249, 2327, 3633, 3759, 4277, 6747, 6981, 8131, 8413, 12831, 15743, 16289, 24393, 25239, 30967, 47229, 48867, 56917, 58891, 92901, 105703, 109369, 170751, 176673, 216769, 317109, 328107, 402571, 650307, 739921, 765583, 1207713, 1455449, 2219763, 2296749, 2817997, 4366347, 8453991, 10188143, 18920837, 30564429, 56762511, 132445859, 397337577]

約数ペア:

[(1, 397337577), (3, 132445859), (7, 56762511), (13, 30564429), (21, 18920837), (39, 10188143), (47, 8453991), (91, 4366347), (141, 2817997), (173, 2296749), (179, 2219763), (273, 1455449), (329, 1207713), (519, 765583), (537, 739921), (611, 650307), (987, 402571), (1211, 328107), (1253, 317109), (1833, 216769), (2249, 176673), (2327, 170751), (3633, 109369), (3759, 105703), (4277, 92901), (6747, 58891), (6981, 56917), (8131, 48867), (8413, 47229), (12831, 30967), (15743, 25239), (16289, 24393)]