2501685

素因数分解:

$3^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:120

約数の個数: 48

約数和(自身を含む): 4717440

約数和(自身を除く): 2215755

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 71, 81, 87, 135, 145, 213, 243, 261, 355, 405, 435, 639, 783, 1065, 1215, 1305, 1917, 2059, 2349, 3195, 3915, 5751, 6177, 7047, 9585, 10295, 11745, 17253, 18531, 28755, 30885, 35235, 55593, 86265, 92655, 166779, 277965, 500337, 833895, 2501685]

約数ペア:

[(1, 2501685), (3, 833895), (5, 500337), (9, 277965), (15, 166779), (27, 92655), (29, 86265), (45, 55593), (71, 35235), (81, 30885), (87, 28755), (135, 18531), (145, 17253), (213, 11745), (243, 10295), (261, 9585), (355, 7047), (405, 6177), (435, 5751), (639, 3915), (783, 3195), (1065, 2349), (1215, 2059), (1305, 1917)]