2578419

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:164

約数の個数: 32

約数和(自身を含む): 4104000

約数和(自身を除く): 1525581

約数列:

[1, 3, 9, 27, 29, 37, 87, 89, 111, 261, 267, 333, 783, 801, 999, 1073, 2403, 2581, 3219, 3293, 7743, 9657, 9879, 23229, 28971, 29637, 69687, 88911, 95497, 286491, 859473, 2578419]

約数ペア:

[(1, 2578419), (3, 859473), (9, 286491), (27, 95497), (29, 88911), (37, 69687), (87, 29637), (89, 28971), (111, 23229), (261, 9879), (267, 9657), (333, 7743), (783, 3293), (801, 3219), (999, 2581), (1073, 2403)]