2815515

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:156

約数の個数: 48

約数和(自身を含む): 5335200

約数和(自身を除く): 2519685

約数列:

[1, 3, 5, 9, 15, 19, 37, 45, 57, 89, 95, 111, 171, 185, 267, 285, 333, 445, 555, 703, 801, 855, 1335, 1665, 1691, 2109, 3293, 3515, 4005, 5073, 6327, 8455, 9879, 10545, 15219, 16465, 25365, 29637, 31635, 49395, 62567, 76095, 148185, 187701, 312835, 563103, 938505, 2815515]

約数ペア:

[(1, 2815515), (3, 938505), (5, 563103), (9, 312835), (15, 187701), (19, 148185), (37, 76095), (45, 62567), (57, 49395), (89, 31635), (95, 29637), (111, 25365), (171, 16465), (185, 15219), (267, 10545), (285, 9879), (333, 8455), (445, 6327), (555, 5073), (703, 4005), (801, 3515), (855, 3293), (1335, 2109), (1665, 1691)]