4920123

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:255

約数の個数: 32

約数和(自身を含む): 7705152

約数和(自身を除く): 2785029

約数列:

[1, 3, 13, 17, 39, 41, 51, 123, 181, 221, 533, 543, 663, 697, 1599, 2091, 2353, 3077, 7059, 7421, 9061, 9231, 22263, 27183, 40001, 96473, 120003, 126157, 289419, 378471, 1640041, 4920123]

約数ペア:

[(1, 4920123), (3, 1640041), (13, 378471), (17, 289419), (39, 126157), (41, 120003), (51, 96473), (123, 40001), (181, 27183), (221, 22263), (533, 9231), (543, 9061), (663, 7421), (697, 7059), (1599, 3077), (2091, 2353)]