248999715

素因数分解:

$3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{229}}^1\times {\mathrm{331}}^1$

素因数の和:644

約数の個数: 48

約数和(自身を含む): 440749920

約数和(自身を除く): 191750205

約数列:

[1, 3, 5, 9, 15, 45, 73, 219, 229, 331, 365, 657, 687, 993, 1095, 1145, 1655, 2061, 2979, 3285, 3435, 4965, 10305, 14895, 16717, 24163, 50151, 72489, 75799, 83585, 120815, 150453, 217467, 227397, 250755, 362445, 378995, 682191, 752265, 1087335, 1136985, 3410955, 5533327, 16599981, 27666635, 49799943, 82999905, 248999715]

約数ペア:

[(1, 248999715), (3, 82999905), (5, 49799943), (9, 27666635), (15, 16599981), (45, 5533327), (73, 3410955), (219, 1136985), (229, 1087335), (331, 752265), (365, 682191), (657, 378995), (687, 362445), (993, 250755), (1095, 227397), (1145, 217467), (1655, 150453), (2061, 120815), (2979, 83585), (3285, 75799), (3435, 72489), (4965, 50151), (10305, 24163), (14895, 16717)]