221807115

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{1451}}^1$

素因数の和:1584

約数の個数: 48

約数和(自身を含む): 398661120

約数和(自身を除く): 176854005

約数列:

[1, 3, 5, 9, 15, 43, 45, 79, 129, 215, 237, 387, 395, 645, 711, 1185, 1451, 1935, 3397, 3555, 4353, 7255, 10191, 13059, 16985, 21765, 30573, 50955, 62393, 65295, 114629, 152865, 187179, 311965, 343887, 561537, 573145, 935895, 1031661, 1719435, 2807685, 4929047, 5158305, 14787141, 24645235, 44361423, 73935705, 221807115]

約数ペア:

[(1, 221807115), (3, 73935705), (5, 44361423), (9, 24645235), (15, 14787141), (43, 5158305), (45, 4929047), (79, 2807685), (129, 1719435), (215, 1031661), (237, 935895), (387, 573145), (395, 561537), (645, 343887), (711, 311965), (1185, 187179), (1451, 152865), (1935, 114629), (3397, 65295), (3555, 62393), (4353, 50955), (7255, 30573), (10191, 21765), (13059, 16985)]