2005123029

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{571}}^1\times {\mathrm{677}}^1$

素因数の和:1290

約数の個数: 64

約数和(自身を含む): 3474831360

約数和(自身を除く): 1469708331

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 399, 571, 677, 741, 1713, 1729, 2031, 3997, 4739, 5187, 7423, 8801, 10849, 11991, 12863, 14217, 22269, 26403, 32547, 38589, 51961, 61607, 75943, 90041, 141037, 155883, 167219, 184821, 227829, 270123, 386567, 423111, 501657, 987259, 1159701, 1170533, 2705969, 2961777, 3511599, 5025371, 7344773, 8117907, 15076113, 22034319, 35177597, 51413411, 95482049, 105532791, 154240233, 286446147, 668374343, 2005123029]

約数ペア:

[(1, 2005123029), (3, 668374343), (7, 286446147), (13, 154240233), (19, 105532791), (21, 95482049), (39, 51413411), (57, 35177597), (91, 22034319), (133, 15076113), (247, 8117907), (273, 7344773), (399, 5025371), (571, 3511599), (677, 2961777), (741, 2705969), (1713, 1170533), (1729, 1159701), (2031, 987259), (3997, 501657), (4739, 423111), (5187, 386567), (7423, 270123), (8801, 227829), (10849, 184821), (11991, 167219), (12863, 155883), (14217, 141037), (22269, 90041), (26403, 75943), (32547, 61607), (38589, 51961)]