31028775

素因数分解:

$3^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{5827}}^1$

素因数の和:5911

約数の個数: 24

約数和(自身を含む): 52032384

約数和(自身を除く): 21003609

約数列:

[1, 3, 5, 15, 25, 71, 75, 213, 355, 1065, 1775, 5325, 5827, 17481, 29135, 87405, 145675, 413717, 437025, 1241151, 2068585, 6205755, 10342925, 31028775]

約数ペア:

[(1, 31028775), (3, 10342925), (5, 6205755), (15, 2068585), (25, 1241151), (71, 437025), (75, 413717), (213, 145675), (355, 87405), (1065, 29135), (1775, 17481), (5325, 5827)]