200105865

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{397}}^1\times {\mathrm{487}}^1$

素因数の和:918

約数の個数: 48

約数和(自身を含む): 363587328

約数和(自身を除く): 163481463

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 397, 487, 1035, 1191, 1461, 1985, 2435, 3573, 4383, 5955, 7305, 9131, 11201, 17865, 21915, 27393, 33603, 45655, 56005, 82179, 100809, 136965, 168015, 193339, 410895, 504045, 580017, 966695, 1740051, 2900085, 4446797, 8700255, 13340391, 22233985, 40021173, 66701955, 200105865]

約数ペア:

[(1, 200105865), (3, 66701955), (5, 40021173), (9, 22233985), (15, 13340391), (23, 8700255), (45, 4446797), (69, 2900085), (115, 1740051), (207, 966695), (345, 580017), (397, 504045), (487, 410895), (1035, 193339), (1191, 168015), (1461, 136965), (1985, 100809), (2435, 82179), (3573, 56005), (4383, 45655), (5955, 33603), (7305, 27393), (9131, 21915), (11201, 17865)]