213364227

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1\times {\mathrm{257}}^1$

素因数の和:483

約数の個数: 32

約数和(自身を含む): 301178880

約数和(自身を除く): 87814653

約数列:

[1, 3, 31, 79, 93, 113, 237, 257, 339, 771, 2449, 3503, 7347, 7967, 8927, 10509, 20303, 23901, 26781, 29041, 60909, 87123, 276737, 629393, 830211, 900271, 1888179, 2294239, 2700813, 6882717, 71121409, 213364227]

約数ペア:

[(1, 213364227), (3, 71121409), (31, 6882717), (79, 2700813), (93, 2294239), (113, 1888179), (237, 900271), (257, 830211), (339, 629393), (771, 276737), (2449, 87123), (3503, 60909), (7347, 29041), (7967, 26781), (8927, 23901), (10509, 20303)]