201771423

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{821}}^1$

素因数の和:964

約数の個数: 48

約数和(自身を含む): 344687616

約数和(自身を除く): 142916193

約数列:

[1, 3, 7, 9, 21, 47, 63, 83, 141, 249, 329, 423, 581, 747, 821, 987, 1743, 2463, 2961, 3901, 5229, 5747, 7389, 11703, 17241, 27307, 35109, 38587, 51723, 68143, 81921, 115761, 204429, 245763, 270109, 347283, 477001, 613287, 810327, 1431003, 2430981, 3202721, 4293009, 9608163, 22419047, 28824489, 67257141, 201771423]

約数ペア:

[(1, 201771423), (3, 67257141), (7, 28824489), (9, 22419047), (21, 9608163), (47, 4293009), (63, 3202721), (83, 2430981), (141, 1431003), (249, 810327), (329, 613287), (423, 477001), (581, 347283), (747, 270109), (821, 245763), (987, 204429), (1743, 115761), (2463, 81921), (2961, 68143), (3901, 51723), (5229, 38587), (5747, 35109), (7389, 27307), (11703, 17241)]