40704921

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{251}}^1\times {\mathrm{487}}^1$

素因数の和:781

約数の個数: 24

約数和(自身を含む): 60750144

約数和(自身を除く): 20045223

約数列:

[1, 3, 9, 37, 111, 251, 333, 487, 753, 1461, 2259, 4383, 9287, 18019, 27861, 54057, 83583, 122237, 162171, 366711, 1100133, 4522769, 13568307, 40704921]

約数ペア:

[(1, 40704921), (3, 13568307), (9, 4522769), (37, 1100133), (111, 366711), (251, 162171), (333, 122237), (487, 83583), (753, 54057), (1461, 27861), (2259, 18019), (4383, 9287)]