972180921

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{2659}}^1$

素因数の和:2853

約数の個数: 32

約数和(自身を含む): 1406522880

約数和(自身を除く): 434341959

約数列:

[1, 3, 17, 51, 67, 107, 201, 321, 1139, 1819, 2659, 3417, 5457, 7169, 7977, 21507, 45203, 121873, 135609, 178153, 284513, 365619, 534459, 853539, 3028601, 4836721, 9085803, 14510163, 19062371, 57187113, 324060307, 972180921]

約数ペア:

[(1, 972180921), (3, 324060307), (17, 57187113), (51, 19062371), (67, 14510163), (107, 9085803), (201, 4836721), (321, 3028601), (1139, 853539), (1819, 534459), (2659, 365619), (3417, 284513), (5457, 178153), (7169, 135609), (7977, 121873), (21507, 45203)]