262890621

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{397}}^1\times {\mathrm{457}}^1$

素因数の和:890

約数の個数: 48

約数和(自身を含む): 454980864

約数和(自身を除く): 192090243

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 397, 457, 483, 1191, 1371, 1449, 2779, 3199, 3573, 4113, 8337, 9131, 9597, 10511, 25011, 27393, 28791, 31533, 63917, 73577, 82179, 94599, 181429, 191751, 220731, 544287, 575253, 662193, 1270003, 1632861, 3810009, 4172867, 11430027, 12518601, 29210069, 37555803, 87630207, 262890621]

約数ペア:

[(1, 262890621), (3, 87630207), (7, 37555803), (9, 29210069), (21, 12518601), (23, 11430027), (63, 4172867), (69, 3810009), (161, 1632861), (207, 1270003), (397, 662193), (457, 575253), (483, 544287), (1191, 220731), (1371, 191751), (1449, 181429), (2779, 94599), (3199, 82179), (3573, 73577), (4113, 63917), (8337, 31533), (9131, 28791), (9597, 27393), (10511, 25011)]