28390203

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{317}}^1$

素因数の和:464

約数の個数: 32

約数和(自身を含む): 43960320

約数和(自身を除く): 15570117

約数列:

[1, 3, 9, 27, 31, 93, 107, 279, 317, 321, 837, 951, 963, 2853, 2889, 3317, 8559, 9827, 9951, 29481, 29853, 33919, 88443, 89559, 101757, 265329, 305271, 915813, 1051489, 3154467, 9463401, 28390203]

約数ペア:

[(1, 28390203), (3, 9463401), (9, 3154467), (27, 1051489), (31, 915813), (93, 305271), (107, 265329), (279, 101757), (317, 89559), (321, 88443), (837, 33919), (951, 29853), (963, 29481), (2853, 9951), (2889, 9827), (3317, 8559)]