71203167

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1$

素因数の和:372

約数の個数: 48

約数和(自身を含む): 121605120

約数和(自身を除く): 50401953

約数列:

[1, 3, 7, 9, 21, 47, 63, 139, 141, 173, 329, 417, 423, 519, 973, 987, 1211, 1251, 1557, 2919, 2961, 3633, 6533, 8131, 8757, 10899, 19599, 24047, 24393, 45731, 56917, 58797, 72141, 73179, 137193, 168329, 170751, 216423, 411579, 504987, 512253, 1130209, 1514961, 3390627, 7911463, 10171881, 23734389, 71203167]

約数ペア:

[(1, 71203167), (3, 23734389), (7, 10171881), (9, 7911463), (21, 3390627), (47, 1514961), (63, 1130209), (139, 512253), (141, 504987), (173, 411579), (329, 216423), (417, 170751), (423, 168329), (519, 137193), (973, 73179), (987, 72141), (1211, 58797), (1251, 56917), (1557, 45731), (2919, 24393), (2961, 24047), (3633, 19599), (6533, 10899), (8131, 8757)]