389645613

素因数分解:

$3^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{33797}}^1$

素因数の和:33874

約数の個数: 32

約数和(自身を含む): 670552320

約数和(自身を除く): 280906707

約数列:

[1, 3, 7, 9, 21, 27, 61, 63, 183, 189, 427, 549, 1281, 1647, 3843, 11529, 33797, 101391, 236579, 304173, 709737, 912519, 2061617, 2129211, 6184851, 6387633, 14431319, 18554553, 43293957, 55663659, 129881871, 389645613]

約数ペア:

[(1, 389645613), (3, 129881871), (7, 55663659), (9, 43293957), (21, 18554553), (27, 14431319), (61, 6387633), (63, 6184851), (183, 2129211), (189, 2061617), (427, 912519), (549, 709737), (1281, 304173), (1647, 236579), (3843, 101391), (11529, 33797)]