211064679

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^2\times {\mathrm{1993}}^1$

素因数の和:2088

約数の個数: 36

約数和(自身を含む): 357308848

約数和(自身を除く): 146244169

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 287, 369, 861, 1681, 1993, 2583, 5043, 5979, 11767, 13951, 15129, 17937, 35301, 41853, 81713, 105903, 125559, 245139, 571991, 735417, 1715973, 3350233, 5147919, 10050699, 23451631, 30152097, 70354893, 211064679]

約数ペア:

[(1, 211064679), (3, 70354893), (7, 30152097), (9, 23451631), (21, 10050699), (41, 5147919), (63, 3350233), (123, 1715973), (287, 735417), (369, 571991), (861, 245139), (1681, 125559), (1993, 105903), (2583, 81713), (5043, 41853), (5979, 35301), (11767, 17937), (13951, 15129)]