68920605

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{227}}^1$

素因数の和:427

約数の個数: 64

約数和(自身を含む): 133297920

約数和(自身を除く): 64377315

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 173, 195, 227, 351, 519, 585, 681, 865, 1135, 1557, 1755, 2043, 2249, 2595, 2951, 3405, 4671, 6129, 6747, 7785, 8853, 10215, 11245, 14755, 20241, 23355, 26559, 30645, 33735, 39271, 44265, 60723, 79677, 101205, 117813, 132795, 196355, 303615, 353439, 398385, 510523, 589065, 1060317, 1531569, 1767195, 2552615, 4594707, 5301585, 7657845, 13784121, 22973535, 68920605]

約数ペア:

[(1, 68920605), (3, 22973535), (5, 13784121), (9, 7657845), (13, 5301585), (15, 4594707), (27, 2552615), (39, 1767195), (45, 1531569), (65, 1060317), (117, 589065), (135, 510523), (173, 398385), (195, 353439), (227, 303615), (351, 196355), (519, 132795), (585, 117813), (681, 101205), (865, 79677), (1135, 60723), (1557, 44265), (1755, 39271), (2043, 33735), (2249, 30645), (2595, 26559), (2951, 23355), (3405, 20241), (4671, 14755), (6129, 11245), (6747, 10215), (7785, 8853)]