81144915

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{2819}}^1$

素因数の和:2947

約数の個数: 32

約数和(自身を含む): 138067200

約数和(自身を除く): 56922285

約数列:

[1, 3, 5, 15, 19, 57, 95, 101, 285, 303, 505, 1515, 1919, 2819, 5757, 8457, 9595, 14095, 28785, 42285, 53561, 160683, 267805, 284719, 803415, 854157, 1423595, 4270785, 5409661, 16228983, 27048305, 81144915]

約数ペア:

[(1, 81144915), (3, 27048305), (5, 16228983), (15, 5409661), (19, 4270785), (57, 1423595), (95, 854157), (101, 803415), (285, 284719), (303, 267805), (505, 160683), (1515, 53561), (1919, 42285), (2819, 28785), (5757, 14095), (8457, 9595)]