80724609

素因数分解:

$3^2\times 7^2\times {\mathrm{163}}^1\times {\mathrm{1123}}^1$

素因数の和:1306

約数の個数: 36

約数和(自身を含む): 136592976

約数和(自身を除く): 55868367

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 163, 441, 489, 1123, 1141, 1467, 3369, 3423, 7861, 7987, 10107, 10269, 23583, 23961, 55027, 70749, 71883, 165081, 183049, 495243, 549147, 1281343, 1647441, 3844029, 8969401, 11532087, 26908203, 80724609]

約数ペア:

[(1, 80724609), (3, 26908203), (7, 11532087), (9, 8969401), (21, 3844029), (49, 1647441), (63, 1281343), (147, 549147), (163, 495243), (441, 183049), (489, 165081), (1123, 71883), (1141, 70749), (1467, 55027), (3369, 23961), (3423, 23583), (7861, 10269), (7987, 10107)]