199465791

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{3313}}^1$

素因数の和:3431

約数の個数: 32

約数和(自身を含む): 315598848

約数和(自身を除く): 116133057

約数列:

[1, 3, 7, 21, 47, 61, 141, 183, 329, 427, 987, 1281, 2867, 3313, 8601, 9939, 20069, 23191, 60207, 69573, 155711, 202093, 467133, 606279, 1089977, 1414651, 3269931, 4243953, 9498371, 28495113, 66488597, 199465791]

約数ペア:

[(1, 199465791), (3, 66488597), (7, 28495113), (21, 9498371), (47, 4243953), (61, 3269931), (141, 1414651), (183, 1089977), (329, 606279), (427, 467133), (987, 202093), (1281, 155711), (2867, 69573), (3313, 60207), (8601, 23191), (9939, 20069)]