80891223

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1\times {\mathrm{239}}^1$

素因数の和:547

約数の個数: 32

約数和(自身を含む): 126074880

約数和(自身を除く): 45183657

約数列:

[1, 3, 7, 21, 71, 213, 227, 239, 497, 681, 717, 1491, 1589, 1673, 4767, 5019, 16117, 16969, 48351, 50907, 54253, 112819, 118783, 162759, 338457, 356349, 379771, 1139313, 3851963, 11555889, 26963741, 80891223]

約数ペア:

[(1, 80891223), (3, 26963741), (7, 11555889), (21, 3851963), (71, 1139313), (213, 379771), (227, 356349), (239, 338457), (497, 162759), (681, 118783), (717, 112819), (1491, 54253), (1589, 50907), (1673, 48351), (4767, 16969), (5019, 16117)]