28098369

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 46219264

約数和(自身を除く): 18120895

約数列:

[1, 3, 9, 13, 31, 39, 61, 93, 117, 127, 183, 279, 381, 403, 549, 793, 1143, 1209, 1651, 1891, 2379, 3627, 3937, 4953, 5673, 7137, 7747, 11811, 14859, 17019, 23241, 24583, 35433, 51181, 69723, 73749, 100711, 153543, 221247, 240157, 302133, 460629, 720471, 906399, 2161413, 3122041, 9366123, 28098369]

約数ペア:

[(1, 28098369), (3, 9366123), (9, 3122041), (13, 2161413), (31, 906399), (39, 720471), (61, 460629), (93, 302133), (117, 240157), (127, 221247), (183, 153543), (279, 100711), (381, 73749), (403, 69723), (549, 51181), (793, 35433), (1143, 24583), (1209, 23241), (1651, 17019), (1891, 14859), (2379, 11811), (3627, 7747), (3937, 7137), (4953, 5673)]