7221825

素因数分解:

$3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{823}}^1$

素因数の和:855

約数の個数: 48

約数和(自身を含む): 14304640

約数和(自身を除く): 7082815

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 117, 135, 195, 225, 325, 351, 585, 675, 823, 975, 1755, 2469, 2925, 4115, 7407, 8775, 10699, 12345, 20575, 22221, 32097, 37035, 53495, 61725, 96291, 111105, 160485, 185175, 267475, 288873, 481455, 555525, 802425, 1444365, 2407275, 7221825]

約数ペア:

[(1, 7221825), (3, 2407275), (5, 1444365), (9, 802425), (13, 555525), (15, 481455), (25, 288873), (27, 267475), (39, 185175), (45, 160485), (65, 111105), (75, 96291), (117, 61725), (135, 53495), (195, 37035), (225, 32097), (325, 22221), (351, 20575), (585, 12345), (675, 10699), (823, 8775), (975, 7407), (1755, 4115), (2469, 2925)]