131891577

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{347}}^1$

素因数の和:509

約数の個数: 32

約数和(自身を含む): 187797504

約数和(自身を除く): 55905927

約数列:

[1, 3, 31, 61, 67, 93, 183, 201, 347, 1041, 1891, 2077, 4087, 5673, 6231, 10757, 12261, 21167, 23249, 32271, 63501, 69747, 126697, 380091, 656177, 720719, 1418189, 1968531, 2162157, 4254567, 43963859, 131891577]

約数ペア:

[(1, 131891577), (3, 43963859), (31, 4254567), (61, 2162157), (67, 1968531), (93, 1418189), (183, 720719), (201, 656177), (347, 380091), (1041, 126697), (1891, 69747), (2077, 63501), (4087, 32271), (5673, 23249), (6231, 21167), (10757, 12261)]