30881439

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{397}}^1$

素因数の和:516

約数の個数: 32

約数和(自身を含む): 47632640

約数和(自身を除く): 16751201

約数列:

[1, 3, 9, 27, 43, 67, 129, 201, 387, 397, 603, 1161, 1191, 1809, 2881, 3573, 8643, 10719, 17071, 25929, 26599, 51213, 77787, 79797, 153639, 239391, 460917, 718173, 1143757, 3431271, 10293813, 30881439]

約数ペア:

[(1, 30881439), (3, 10293813), (9, 3431271), (27, 1143757), (43, 718173), (67, 460917), (129, 239391), (201, 153639), (387, 79797), (397, 77787), (603, 51213), (1161, 26599), (1191, 25929), (1809, 17071), (2881, 10719), (3573, 8643)]