72890181

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1459}}^1$

素因数の和:1546

約数の個数: 48

約数和(自身を含む): 131797120

約数和(自身を除く): 58906939

約数列:

[1, 3, 7, 9, 13, 21, 39, 61, 63, 91, 117, 183, 273, 427, 549, 793, 819, 1281, 1459, 2379, 3843, 4377, 5551, 7137, 10213, 13131, 16653, 18967, 30639, 49959, 56901, 88999, 91917, 132769, 170703, 266997, 398307, 622993, 800991, 1156987, 1194921, 1868979, 3470961, 5606937, 8098909, 10412883, 24296727, 72890181]

約数ペア:

[(1, 72890181), (3, 24296727), (7, 10412883), (9, 8098909), (13, 5606937), (21, 3470961), (39, 1868979), (61, 1194921), (63, 1156987), (91, 800991), (117, 622993), (183, 398307), (273, 266997), (427, 170703), (549, 132769), (793, 91917), (819, 88999), (1281, 56901), (1459, 49959), (2379, 30639), (3843, 18967), (4377, 16653), (5551, 13131), (7137, 10213)]