1640806625709

素因数分解:

$3^3\times {\mathrm{211}}^1\times {\mathrm{449}}^1\times {\mathrm{641453}}^1$

素因数の和:642122

約数の個数: 32

約数和(自身を含む): 2447788464000

約数和(自身を除く): 806981838291

約数列:

[1, 3, 9, 27, 211, 449, 633, 1347, 1899, 4041, 5697, 12123, 94739, 284217, 641453, 852651, 1924359, 2557953, 5773077, 17319231, 135346583, 288012397, 406039749, 864037191, 1218119247, 2592111573, 3654357741, 7776334719, 60770615767, 182311847301, 546935541903, 1640806625709]

約数ペア:

[(1, 1640806625709), (3, 546935541903), (9, 182311847301), (27, 60770615767), (211, 7776334719), (449, 3654357741), (633, 2592111573), (1347, 1218119247), (1899, 864037191), (4041, 406039749), (5697, 288012397), (12123, 135346583), (94739, 17319231), (284217, 5773077), (641453, 2557953), (852651, 1924359)]