81737747

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{659}}^1$

素因数の和:755

約数の個数: 32

約数和(自身を含む): 106444800

約数和(自身を除く): 24707053

約数列:

[1, 7, 13, 29, 47, 91, 203, 329, 377, 611, 659, 1363, 2639, 4277, 4613, 8567, 9541, 17719, 19111, 30973, 59969, 124033, 133777, 216811, 248443, 402649, 898217, 1739101, 2818543, 6287519, 11676821, 81737747]

約数ペア:

[(1, 81737747), (7, 11676821), (13, 6287519), (29, 2818543), (47, 1739101), (91, 898217), (203, 402649), (329, 248443), (377, 216811), (611, 133777), (659, 124033), (1363, 59969), (2639, 30973), (4277, 19111), (4613, 17719), (8567, 9541)]