30686985

素因数分解:

$3^3\times 5^1\times 7^2\times {\mathrm{4639}}^1$

素因数の和:4667

約数の個数: 48

約数和(自身を含む): 63475200

約数和(自身を除く): 32788215

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 105, 135, 147, 189, 245, 315, 441, 735, 945, 1323, 2205, 4639, 6615, 13917, 23195, 32473, 41751, 69585, 97419, 125253, 162365, 208755, 227311, 292257, 487095, 626265, 681933, 876771, 1136555, 1461285, 2045799, 3409665, 4383855, 6137397, 10228995, 30686985]

約数ペア:

[(1, 30686985), (3, 10228995), (5, 6137397), (7, 4383855), (9, 3409665), (15, 2045799), (21, 1461285), (27, 1136555), (35, 876771), (45, 681933), (49, 626265), (63, 487095), (105, 292257), (135, 227311), (147, 208755), (189, 162365), (245, 125253), (315, 97419), (441, 69585), (735, 41751), (945, 32473), (1323, 23195), (2205, 13917), (4639, 6615)]