1717821

素因数分解:

$3^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:226

約数の個数: 32

約数和(自身を含む): 2976000

約数和(自身を除く): 1258179

約数列:

[1, 3, 7, 9, 21, 27, 61, 63, 149, 183, 189, 427, 447, 549, 1043, 1281, 1341, 1647, 3129, 3843, 4023, 9089, 9387, 11529, 27267, 28161, 63623, 81801, 190869, 245403, 572607, 1717821]

約数ペア:

[(1, 1717821), (3, 572607), (7, 245403), (9, 190869), (21, 81801), (27, 63623), (61, 28161), (63, 27267), (149, 11529), (183, 9387), (189, 9089), (427, 4023), (447, 3843), (549, 3129), (1043, 1647), (1281, 1341)]