8207145

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{331}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 15537600

約数和(自身を除く): 7330455

約数列:

[1, 3, 5, 9, 15, 19, 29, 45, 57, 87, 95, 145, 171, 261, 285, 331, 435, 551, 855, 993, 1305, 1653, 1655, 2755, 2979, 4959, 4965, 6289, 8265, 9599, 14895, 18867, 24795, 28797, 31445, 47995, 56601, 86391, 94335, 143985, 182381, 283005, 431955, 547143, 911905, 1641429, 2735715, 8207145]

約数ペア:

[(1, 8207145), (3, 2735715), (5, 1641429), (9, 911905), (15, 547143), (19, 431955), (29, 283005), (45, 182381), (57, 143985), (87, 94335), (95, 86391), (145, 56601), (171, 47995), (261, 31445), (285, 28797), (331, 24795), (435, 18867), (551, 14895), (855, 9599), (993, 8265), (1305, 6289), (1653, 4965), (1655, 4959), (2755, 2979)]