30804813

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:235

約数の個数: 48

約数和(自身を含む): 50888640

約数和(自身を除く): 20083827

約数列:

[1, 3, 9, 13, 27, 39, 43, 117, 129, 157, 169, 351, 387, 471, 507, 559, 1161, 1413, 1521, 1677, 2041, 4239, 4563, 5031, 6123, 6751, 7267, 15093, 18369, 20253, 21801, 26533, 55107, 60759, 65403, 79599, 87763, 182277, 196209, 238797, 263289, 716391, 789867, 1140919, 2369601, 3422757, 10268271, 30804813]

約数ペア:

[(1, 30804813), (3, 10268271), (9, 3422757), (13, 2369601), (27, 1140919), (39, 789867), (43, 716391), (117, 263289), (129, 238797), (157, 196209), (169, 182277), (351, 87763), (387, 79599), (471, 65403), (507, 60759), (559, 55107), (1161, 26533), (1413, 21801), (1521, 20253), (1677, 18369), (2041, 15093), (4239, 7267), (4563, 6751), (5031, 6123)]