620382357

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{12641}}^1$

素因数の和:12714

約数の個数: 48

約数和(自身を含む): 1104405120

約数和(自身を除く): 484022763

約数列:

[1, 3, 7, 9, 19, 21, 41, 57, 63, 123, 133, 171, 287, 369, 399, 779, 861, 1197, 2337, 2583, 5453, 7011, 12641, 16359, 37923, 49077, 88487, 113769, 240179, 265461, 518281, 720537, 796383, 1554843, 1681253, 2161611, 3627967, 4664529, 5043759, 9847339, 10883901, 15131277, 29542017, 32651703, 68931373, 88626051, 206794119, 620382357]

約数ペア:

[(1, 620382357), (3, 206794119), (7, 88626051), (9, 68931373), (19, 32651703), (21, 29542017), (41, 15131277), (57, 10883901), (63, 9847339), (123, 5043759), (133, 4664529), (171, 3627967), (287, 2161611), (369, 1681253), (399, 1554843), (779, 796383), (861, 720537), (1197, 518281), (2337, 265461), (2583, 240179), (5453, 113769), (7011, 88487), (12641, 49077), (16359, 37923)]