29931993

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1$

素因数の和:283

約数の個数: 72

約数和(自身を含む): 56766528

約数和(自身を除く): 26834535

約数列:

[1, 3, 7, 9, 13, 21, 23, 39, 49, 63, 69, 91, 117, 147, 161, 207, 227, 273, 299, 441, 483, 637, 681, 819, 897, 1127, 1449, 1589, 1911, 2043, 2093, 2691, 2951, 3381, 4767, 5221, 5733, 6279, 8853, 10143, 11123, 14301, 14651, 15663, 18837, 20657, 26559, 33369, 36547, 43953, 46989, 61971, 67873, 100107, 109641, 131859, 144599, 185913, 203619, 255829, 328923, 433797, 475111, 610857, 767487, 1301391, 1425333, 2302461, 3325777, 4275999, 9977331, 29931993]

約数ペア:

[(1, 29931993), (3, 9977331), (7, 4275999), (9, 3325777), (13, 2302461), (21, 1425333), (23, 1301391), (39, 767487), (49, 610857), (63, 475111), (69, 433797), (91, 328923), (117, 255829), (147, 203619), (161, 185913), (207, 144599), (227, 131859), (273, 109641), (299, 100107), (441, 67873), (483, 61971), (637, 46989), (681, 43953), (819, 36547), (897, 33369), (1127, 26559), (1449, 20657), (1589, 18837), (1911, 15663), (2043, 14651), (2093, 14301), (2691, 11123), (2951, 10143), (3381, 8853), (4767, 6279), (5221, 5733)]