30400209

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{233}}^1$

素因数の和:374

約数の個数: 48

約数和(自身を含む): 53539200

約数和(自身を除く): 23138991

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 109, 133, 171, 233, 327, 399, 699, 763, 981, 1197, 1631, 2071, 2097, 2289, 4427, 4893, 6213, 6867, 13281, 14497, 14679, 18639, 25397, 30989, 39843, 43491, 76191, 92967, 130473, 177779, 228573, 278901, 482543, 533337, 1447629, 1600011, 3377801, 4342887, 10133403, 30400209]

約数ペア:

[(1, 30400209), (3, 10133403), (7, 4342887), (9, 3377801), (19, 1600011), (21, 1447629), (57, 533337), (63, 482543), (109, 278901), (133, 228573), (171, 177779), (233, 130473), (327, 92967), (399, 76191), (699, 43491), (763, 39843), (981, 30989), (1197, 25397), (1631, 18639), (2071, 14679), (2097, 14497), (2289, 13281), (4427, 6867), (4893, 6213)]