980294427

素因数分解:

$3^3\times 7^1\times {\mathrm{1223}}^1\times {\mathrm{4241}}^1$

素因数の和:5480

約数の個数: 32

約数和(自身を含む): 1661506560

約数和(自身を除く): 681212133

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 1223, 3669, 4241, 8561, 11007, 12723, 25683, 29687, 33021, 38169, 77049, 89061, 114507, 231147, 267183, 801549, 5186743, 15560229, 36307201, 46680687, 108921603, 140042061, 326764809, 980294427]

約数ペア:

[(1, 980294427), (3, 326764809), (7, 140042061), (9, 108921603), (21, 46680687), (27, 36307201), (63, 15560229), (189, 5186743), (1223, 801549), (3669, 267183), (4241, 231147), (8561, 114507), (11007, 89061), (12723, 77049), (25683, 38169), (29687, 33021)]