2663505

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1$

素因数の和:210

約数の個数: 48

約数和(自身を含む): 5176080

約数和(自身を除く): 2512575

約数列:

[1, 3, 5, 9, 13, 15, 29, 39, 45, 65, 87, 117, 145, 157, 195, 261, 377, 435, 471, 585, 785, 1131, 1305, 1413, 1885, 2041, 2355, 3393, 4553, 5655, 6123, 7065, 10205, 13659, 16965, 18369, 22765, 30615, 40977, 59189, 68295, 91845, 177567, 204885, 295945, 532701, 887835, 2663505]

約数ペア:

[(1, 2663505), (3, 887835), (5, 532701), (9, 295945), (13, 204885), (15, 177567), (29, 91845), (39, 68295), (45, 59189), (65, 40977), (87, 30615), (117, 22765), (145, 18369), (157, 16965), (195, 13659), (261, 10205), (377, 7065), (435, 6123), (471, 5655), (585, 4553), (785, 3393), (1131, 2355), (1305, 2041), (1413, 1885)]