1639402047

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{136651}}^1$

素因数の和:136731

約数の個数: 24

約数和(自身を含む): 2501278208

約数和(自身を除く): 861876161

約数列:

[1, 3, 9, 31, 43, 93, 129, 279, 387, 1333, 3999, 11997, 136651, 409953, 1229859, 4236181, 5875993, 12708543, 17627979, 38125629, 52883937, 182155783, 546467349, 1639402047]

約数ペア:

[(1, 1639402047), (3, 546467349), (9, 182155783), (31, 52883937), (43, 38125629), (93, 17627979), (129, 12708543), (279, 5875993), (387, 4236181), (1333, 1229859), (3999, 409953), (11997, 136651)]