128730171

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{487}}^1$

素因数の和:651

約数の個数: 32

約数和(自身を含む): 187204608

約数和(自身を除く): 58474437

約数列:

[1, 3, 17, 51, 71, 73, 213, 219, 487, 1207, 1241, 1461, 3621, 3723, 5183, 8279, 15549, 24837, 34577, 35551, 88111, 103731, 106653, 264333, 587809, 604367, 1763427, 1813101, 2524121, 7572363, 42910057, 128730171]

約数ペア:

[(1, 128730171), (3, 42910057), (17, 7572363), (51, 2524121), (71, 1813101), (73, 1763427), (213, 604367), (219, 587809), (487, 264333), (1207, 106653), (1241, 103731), (1461, 88111), (3621, 35551), (3723, 34577), (5183, 24837), (8279, 15549)]