398978835

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{10861}}^1$

素因数の和:10979

約数の個数: 32

約数和(自身を含む): 667361280

約数和(自身を除く): 268382445

約数列:

[1, 3, 5, 15, 31, 79, 93, 155, 237, 395, 465, 1185, 2449, 7347, 10861, 12245, 32583, 36735, 54305, 162915, 336691, 858019, 1010073, 1683455, 2574057, 4290095, 5050365, 12870285, 26598589, 79795767, 132992945, 398978835]

約数ペア:

[(1, 398978835), (3, 132992945), (5, 79795767), (15, 26598589), (31, 12870285), (79, 5050365), (93, 4290095), (155, 2574057), (237, 1683455), (395, 1010073), (465, 858019), (1185, 336691), (2449, 162915), (7347, 54305), (10861, 36735), (12245, 32583)]