13907817

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:139

約数の個数: 72

約数和(自身を含む): 26462592

約数和(自身を除く): 12554775

約数列:

[1, 3, 7, 9, 11, 21, 33, 47, 49, 61, 63, 77, 99, 141, 147, 183, 231, 329, 423, 427, 441, 517, 539, 549, 671, 693, 987, 1281, 1551, 1617, 2013, 2303, 2867, 2961, 2989, 3619, 3843, 4653, 4697, 4851, 6039, 6909, 8601, 8967, 10857, 14091, 20069, 20727, 25333, 25803, 26901, 31537, 32571, 32879, 42273, 60207, 75999, 94611, 98637, 140483, 180621, 220759, 227997, 283833, 295911, 421449, 662277, 1264347, 1545313, 1986831, 4635939, 13907817]

約数ペア:

[(1, 13907817), (3, 4635939), (7, 1986831), (9, 1545313), (11, 1264347), (21, 662277), (33, 421449), (47, 295911), (49, 283833), (61, 227997), (63, 220759), (77, 180621), (99, 140483), (141, 98637), (147, 94611), (183, 75999), (231, 60207), (329, 42273), (423, 32879), (427, 32571), (441, 31537), (517, 26901), (539, 25803), (549, 25333), (671, 20727), (693, 20069), (987, 14091), (1281, 10857), (1551, 8967), (1617, 8601), (2013, 6909), (2303, 6039), (2867, 4851), (2961, 4697), (2989, 4653), (3619, 3843)]