51931257

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{269}}^1\times {\mathrm{317}}^1$

素因数の和:625

約数の個数: 32

約数和(自身を含む): 82425600

約数和(自身を除く): 30494343

約数列:

[1, 3, 7, 21, 29, 87, 203, 269, 317, 609, 807, 951, 1883, 2219, 5649, 6657, 7801, 9193, 23403, 27579, 54607, 64351, 85273, 163821, 193053, 255819, 596911, 1790733, 2472917, 7418751, 17310419, 51931257]

約数ペア:

[(1, 51931257), (3, 17310419), (7, 7418751), (21, 2472917), (29, 1790733), (87, 596911), (203, 255819), (269, 193053), (317, 163821), (609, 85273), (807, 64351), (951, 54607), (1883, 27579), (2219, 23403), (5649, 9193), (6657, 7801)]