67208775

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{211}}^1$

素因数の和:392

約数の個数: 48

約数和(自身を含む): 116087808

約数和(自身を除く): 48879033

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 137, 155, 211, 411, 465, 633, 685, 775, 1055, 2055, 2325, 3165, 3425, 4247, 5275, 6541, 10275, 12741, 15825, 19623, 21235, 28907, 32705, 63705, 86721, 98115, 106175, 144535, 163525, 318525, 433605, 490575, 722675, 896117, 2168025, 2688351, 4480585, 13441755, 22402925, 67208775]

約数ペア:

[(1, 67208775), (3, 22402925), (5, 13441755), (15, 4480585), (25, 2688351), (31, 2168025), (75, 896117), (93, 722675), (137, 490575), (155, 433605), (211, 318525), (411, 163525), (465, 144535), (633, 106175), (685, 98115), (775, 86721), (1055, 63705), (2055, 32705), (2325, 28907), (3165, 21235), (3425, 19623), (4247, 15825), (5275, 12741), (6541, 10275)]