216406782

素因数分解:

$2^1\times 3^3\times {\mathrm{223}}^1\times {\mathrm{17971}}^1$

素因数の和:18205

約数の個数: 32

約数和(自身を含む): 483087360

約数和(自身を除く): 266680578

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 223, 446, 669, 1338, 2007, 4014, 6021, 12042, 17971, 35942, 53913, 107826, 161739, 323478, 485217, 970434, 4007533, 8015066, 12022599, 24045198, 36067797, 72135594, 108203391, 216406782]

約数ペア:

[(1, 216406782), (2, 108203391), (3, 72135594), (6, 36067797), (9, 24045198), (18, 12022599), (27, 8015066), (54, 4007533), (223, 970434), (446, 485217), (669, 323478), (1338, 161739), (2007, 107826), (4014, 53913), (6021, 35942), (12042, 17971)]