1981422

素因数分解:

$2^1\times 3^8\times {\mathrm{151}}^1$

素因数の和:177

約数の個数: 36

約数和(自身を含む): 4487496

約数和(自身を除く): 2506074

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 151, 162, 243, 302, 453, 486, 729, 906, 1359, 1458, 2187, 2718, 4077, 4374, 6561, 8154, 12231, 13122, 24462, 36693, 73386, 110079, 220158, 330237, 660474, 990711, 1981422]

約数ペア:

[(1, 1981422), (2, 990711), (3, 660474), (6, 330237), (9, 220158), (18, 110079), (27, 73386), (54, 36693), (81, 24462), (151, 13122), (162, 12231), (243, 8154), (302, 6561), (453, 4374), (486, 4077), (729, 2718), (906, 2187), (1359, 1458)]