650325

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1$

素因数の和:78

約数の個数: 48

約数和(自身を含む): 1249920

約数和(自身を除く): 599595

約数列:

[1, 3, 5, 13, 15, 23, 25, 29, 39, 65, 69, 75, 87, 115, 145, 195, 299, 325, 345, 377, 435, 575, 667, 725, 897, 975, 1131, 1495, 1725, 1885, 2001, 2175, 3335, 4485, 5655, 7475, 8671, 9425, 10005, 16675, 22425, 26013, 28275, 43355, 50025, 130065, 216775, 650325]

約数ペア:

[(1, 650325), (3, 216775), (5, 130065), (13, 50025), (15, 43355), (23, 28275), (25, 26013), (29, 22425), (39, 16675), (65, 10005), (69, 9425), (75, 8671), (87, 7475), (115, 5655), (145, 4485), (195, 3335), (299, 2175), (325, 2001), (345, 1885), (377, 1725), (435, 1495), (575, 1131), (667, 975), (725, 897)]