218670543

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1459}}^1$

素因数の和:1549

約数の個数: 64

約数和(自身を含む): 405529600

約数和(自身を除く): 186859057

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 61, 63, 91, 117, 183, 189, 273, 351, 427, 549, 793, 819, 1281, 1459, 1647, 2379, 2457, 3843, 4377, 5551, 7137, 10213, 11529, 13131, 16653, 18967, 21411, 30639, 39393, 49959, 56901, 88999, 91917, 132769, 149877, 170703, 266997, 275751, 398307, 512109, 622993, 800991, 1156987, 1194921, 1868979, 2402973, 3470961, 3584763, 5606937, 8098909, 10412883, 16820811, 24296727, 31238649, 72890181, 218670543]

約数ペア:

[(1, 218670543), (3, 72890181), (7, 31238649), (9, 24296727), (13, 16820811), (21, 10412883), (27, 8098909), (39, 5606937), (61, 3584763), (63, 3470961), (91, 2402973), (117, 1868979), (183, 1194921), (189, 1156987), (273, 800991), (351, 622993), (427, 512109), (549, 398307), (793, 275751), (819, 266997), (1281, 170703), (1459, 149877), (1647, 132769), (2379, 91917), (2457, 88999), (3843, 56901), (4377, 49959), (5551, 39393), (7137, 30639), (10213, 21411), (11529, 18967), (13131, 16653)]