248601285

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{727}}^1$

素因数の和:907

約数の個数: 64

約数和(自身を含む): 471744000

約数和(自身を除く): 223142715

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 149, 153, 255, 447, 459, 727, 745, 765, 1341, 2181, 2235, 2295, 2533, 3635, 4023, 6543, 6705, 7599, 10905, 12359, 12665, 19629, 20115, 22797, 32715, 37077, 37995, 61795, 68391, 98145, 108323, 111231, 113985, 185385, 324969, 333693, 341955, 541615, 556155, 974907, 1624845, 1668465, 1841491, 2924721, 4874535, 5524473, 9207455, 14623605, 16573419, 27622365, 49720257, 82867095, 248601285]

約数ペア:

[(1, 248601285), (3, 82867095), (5, 49720257), (9, 27622365), (15, 16573419), (17, 14623605), (27, 9207455), (45, 5524473), (51, 4874535), (85, 2924721), (135, 1841491), (149, 1668465), (153, 1624845), (255, 974907), (447, 556155), (459, 541615), (727, 341955), (745, 333693), (765, 324969), (1341, 185385), (2181, 113985), (2235, 111231), (2295, 108323), (2533, 98145), (3635, 68391), (4023, 61795), (6543, 37995), (6705, 37077), (7599, 32715), (10905, 22797), (12359, 20115), (12665, 19629)]