919425

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:90

約数の個数: 48

約数和(自身を含む): 1749888

約数和(自身を除く): 830463

約数列:

[1, 3, 5, 13, 15, 23, 25, 39, 41, 65, 69, 75, 115, 123, 195, 205, 299, 325, 345, 533, 575, 615, 897, 943, 975, 1025, 1495, 1599, 1725, 2665, 2829, 3075, 4485, 4715, 7475, 7995, 12259, 13325, 14145, 22425, 23575, 36777, 39975, 61295, 70725, 183885, 306475, 919425]

約数ペア:

[(1, 919425), (3, 306475), (5, 183885), (13, 70725), (15, 61295), (23, 39975), (25, 36777), (39, 23575), (41, 22425), (65, 14145), (69, 13325), (75, 12259), (115, 7995), (123, 7475), (195, 4715), (205, 4485), (299, 3075), (325, 2829), (345, 2665), (533, 1725), (575, 1599), (615, 1495), (897, 1025), (943, 975)]