31427955

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1733}}^1$

素因数の和:1788

約数の個数: 48

約数和(自身を含む): 60592896

約数和(自身を除く): 29164941

約数列:

[1, 3, 5, 9, 13, 15, 31, 39, 45, 65, 93, 117, 155, 195, 279, 403, 465, 585, 1209, 1395, 1733, 2015, 3627, 5199, 6045, 8665, 15597, 18135, 22529, 25995, 53723, 67587, 77985, 112645, 161169, 202761, 268615, 337935, 483507, 698399, 805845, 1013805, 2095197, 2417535, 3491995, 6285591, 10475985, 31427955]

約数ペア:

[(1, 31427955), (3, 10475985), (5, 6285591), (9, 3491995), (13, 2417535), (15, 2095197), (31, 1013805), (39, 805845), (45, 698399), (65, 483507), (93, 337935), (117, 268615), (155, 202761), (195, 161169), (279, 112645), (403, 77985), (465, 67587), (585, 53723), (1209, 25995), (1395, 22529), (1733, 18135), (2015, 15597), (3627, 8665), (5199, 6045)]