131421195

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1$

素因数の和:257

約数の個数: 96

約数和(自身を含む): 257886720

約数和(自身を除く): 126465525

約数列:

[1, 3, 5, 9, 15, 19, 23, 41, 45, 57, 69, 95, 115, 123, 163, 171, 205, 207, 285, 345, 369, 437, 489, 615, 779, 815, 855, 943, 1035, 1311, 1467, 1845, 2185, 2337, 2445, 2829, 3097, 3749, 3895, 3933, 4715, 6555, 6683, 7011, 7335, 8487, 9291, 11247, 11685, 14145, 15485, 17917, 18745, 19665, 20049, 27873, 33415, 33741, 35055, 42435, 46455, 53751, 56235, 60147, 71231, 89585, 100245, 126977, 139365, 153709, 161253, 168705, 213693, 268755, 300735, 356155, 380931, 461127, 634885, 641079, 768545, 806265, 1068465, 1142793, 1383381, 1904655, 2305635, 2920471, 3205395, 5713965, 6916905, 8761413, 14602355, 26284239, 43807065, 131421195]

約数ペア:

[(1, 131421195), (3, 43807065), (5, 26284239), (9, 14602355), (15, 8761413), (19, 6916905), (23, 5713965), (41, 3205395), (45, 2920471), (57, 2305635), (69, 1904655), (95, 1383381), (115, 1142793), (123, 1068465), (163, 806265), (171, 768545), (205, 641079), (207, 634885), (285, 461127), (345, 380931), (369, 356155), (437, 300735), (489, 268755), (615, 213693), (779, 168705), (815, 161253), (855, 153709), (943, 139365), (1035, 126977), (1311, 100245), (1467, 89585), (1845, 71231), (2185, 60147), (2337, 56235), (2445, 53751), (2829, 46455), (3097, 42435), (3749, 35055), (3895, 33741), (3933, 33415), (4715, 27873), (6555, 20049), (6683, 19665), (7011, 18745), (7335, 17917), (8487, 15485), (9291, 14145), (11247, 11685)]