72157041

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{673}}^1$

素因数の和:731

約数の個数: 48

約数和(自身を含む): 123261120

約数和(自身を除く): 51104079

約数列:

[1, 3, 9, 11, 19, 27, 33, 57, 99, 171, 209, 297, 361, 513, 627, 673, 1083, 1881, 2019, 3249, 3971, 5643, 6057, 7403, 9747, 11913, 12787, 18171, 22209, 35739, 38361, 66627, 107217, 115083, 140657, 199881, 242953, 345249, 421971, 728859, 1265913, 2186577, 2672483, 3797739, 6559731, 8017449, 24052347, 72157041]

約数ペア:

[(1, 72157041), (3, 24052347), (9, 8017449), (11, 6559731), (19, 3797739), (27, 2672483), (33, 2186577), (57, 1265913), (99, 728859), (171, 421971), (209, 345249), (297, 242953), (361, 199881), (513, 140657), (627, 115083), (673, 107217), (1083, 66627), (1881, 38361), (2019, 35739), (3249, 22209), (3971, 18171), (5643, 12787), (6057, 11913), (7403, 9747)]