169565175

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1999}}^1$

素因数の和:2057

約数の個数: 72

約数和(自身を含む): 338520000

約数和(自身を除く): 168954825

約数列:

[1, 3, 5, 9, 13, 15, 25, 29, 39, 45, 65, 75, 87, 117, 145, 195, 225, 261, 325, 377, 435, 585, 725, 975, 1131, 1305, 1885, 1999, 2175, 2925, 3393, 5655, 5997, 6525, 9425, 9995, 16965, 17991, 25987, 28275, 29985, 49975, 57971, 77961, 84825, 89955, 129935, 149925, 173913, 233883, 289855, 389805, 449775, 521739, 649675, 753623, 869565, 1169415, 1449275, 1949025, 2260869, 2608695, 3768115, 4347825, 5847075, 6782607, 11304345, 13043475, 18840575, 33913035, 56521725, 169565175]

約数ペア:

[(1, 169565175), (3, 56521725), (5, 33913035), (9, 18840575), (13, 13043475), (15, 11304345), (25, 6782607), (29, 5847075), (39, 4347825), (45, 3768115), (65, 2608695), (75, 2260869), (87, 1949025), (117, 1449275), (145, 1169415), (195, 869565), (225, 753623), (261, 649675), (325, 521739), (377, 449775), (435, 389805), (585, 289855), (725, 233883), (975, 173913), (1131, 149925), (1305, 129935), (1885, 89955), (1999, 84825), (2175, 77961), (2925, 57971), (3393, 49975), (5655, 29985), (5997, 28275), (6525, 25987), (9425, 17991), (9995, 16965)]