72840159

素因数分解:

$3^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{5869}}^1$

素因数の和:6079

約数の個数: 24

約数和(自身を含む): 120875040

約数和(自身を除く): 48034881

約数列:

[1, 3, 7, 9, 21, 63, 197, 591, 1379, 1773, 4137, 5869, 12411, 17607, 41083, 52821, 123249, 369747, 1156193, 3468579, 8093351, 10405737, 24280053, 72840159]

約数ペア:

[(1, 72840159), (3, 24280053), (7, 10405737), (9, 8093351), (21, 3468579), (63, 1156193), (197, 369747), (591, 123249), (1379, 52821), (1773, 41083), (4137, 17607), (5869, 12411)]