1640572017

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1\times {\mathrm{9043}}^1$

素因数の和:9269

約数の個数: 32

約数和(自身を含む): 2562997248

約数和(自身を除く): 922425231

約数列:

[1, 3, 7, 21, 53, 159, 163, 371, 489, 1113, 1141, 3423, 8639, 9043, 25917, 27129, 60473, 63301, 181419, 189903, 479279, 1437837, 1474009, 3354953, 4422027, 10064859, 10318063, 30954189, 78122477, 234367431, 546857339, 1640572017]

約数ペア:

[(1, 1640572017), (3, 546857339), (7, 234367431), (21, 78122477), (53, 30954189), (159, 10318063), (163, 10064859), (371, 4422027), (489, 3354953), (1113, 1474009), (1141, 1437837), (3423, 479279), (8639, 189903), (9043, 181419), (25917, 63301), (27129, 60473)]