17980493853

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{20219}}^1$

素因数の和:20346

約数の個数: 64

約数和(自身を含む): 30188298240

約数和(自身を除く): 12207804387

約数列:

[1, 3, 7, 17, 21, 47, 51, 53, 119, 141, 159, 329, 357, 371, 799, 901, 987, 1113, 2397, 2491, 2703, 5593, 6307, 7473, 16779, 17437, 18921, 20219, 42347, 52311, 60657, 127041, 141533, 296429, 343723, 424599, 889287, 950293, 1031169, 1071607, 2406061, 2850879, 3214821, 6652051, 7218183, 7501249, 16154981, 18217319, 19956153, 22503747, 48464943, 50365529, 54651957, 113084867, 127521233, 151096587, 339254601, 352558703, 382563699, 856213993, 1057676109, 2568641979, 5993497951, 17980493853]

約数ペア:

[(1, 17980493853), (3, 5993497951), (7, 2568641979), (17, 1057676109), (21, 856213993), (47, 382563699), (51, 352558703), (53, 339254601), (119, 151096587), (141, 127521233), (159, 113084867), (329, 54651957), (357, 50365529), (371, 48464943), (799, 22503747), (901, 19956153), (987, 18217319), (1113, 16154981), (2397, 7501249), (2491, 7218183), (2703, 6652051), (5593, 3214821), (6307, 2850879), (7473, 2406061), (16779, 1071607), (17437, 1031169), (18921, 950293), (20219, 889287), (42347, 424599), (52311, 343723), (60657, 296429), (127041, 141533)]