254206251

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{97}}^1\times {\mathrm{1723}}^1$

素因数の和:1852

約数の個数: 36

約数和(自身を含む): 401936808

約数和(自身を除く): 147730557

約数列:

[1, 3, 9, 13, 39, 97, 117, 169, 291, 507, 873, 1261, 1521, 1723, 3783, 5169, 11349, 15507, 16393, 22399, 49179, 67197, 147537, 167131, 201591, 291187, 501393, 873561, 1504179, 2172703, 2620683, 6518109, 19554327, 28245139, 84735417, 254206251]

約数ペア:

[(1, 254206251), (3, 84735417), (9, 28245139), (13, 19554327), (39, 6518109), (97, 2620683), (117, 2172703), (169, 1504179), (291, 873561), (507, 501393), (873, 291187), (1261, 201591), (1521, 167131), (1723, 147537), (3783, 67197), (5169, 49179), (11349, 22399), (15507, 16393)]