16306731

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^2\times {\mathrm{239}}^1$

素因数の和:293

約数の個数: 48

約数和(自身を含む): 29260800

約数和(自身を除く): 12954069

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 239, 361, 399, 513, 717, 1083, 1197, 1673, 2151, 2527, 3249, 3591, 4541, 5019, 6453, 7581, 9747, 13623, 15057, 22743, 31787, 40869, 45171, 68229, 86279, 95361, 122607, 258837, 286083, 603953, 776511, 858249, 1811859, 2329533, 5435577, 16306731]

約数ペア:

[(1, 16306731), (3, 5435577), (7, 2329533), (9, 1811859), (19, 858249), (21, 776511), (27, 603953), (57, 286083), (63, 258837), (133, 122607), (171, 95361), (189, 86279), (239, 68229), (361, 45171), (399, 40869), (513, 31787), (717, 22743), (1083, 15057), (1197, 13623), (1673, 9747), (2151, 7581), (2527, 6453), (3249, 5019), (3591, 4541)]