280069317

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{487}}^1$

素因数の和:698

約数の個数: 48

約数和(自身を含む): 457072512

約数和(自身を除く): 177003195

約数列:

[1, 3, 9, 11, 33, 37, 99, 111, 157, 333, 407, 471, 487, 1221, 1413, 1461, 1727, 3663, 4383, 5181, 5357, 5809, 15543, 16071, 17427, 18019, 48213, 52281, 54057, 63899, 76459, 162171, 191697, 198209, 229377, 575091, 594627, 688131, 841049, 1783881, 2523147, 2828983, 7569441, 8486949, 25460847, 31118813, 93356439, 280069317]

約数ペア:

[(1, 280069317), (3, 93356439), (9, 31118813), (11, 25460847), (33, 8486949), (37, 7569441), (99, 2828983), (111, 2523147), (157, 1783881), (333, 841049), (407, 688131), (471, 594627), (487, 575091), (1221, 229377), (1413, 198209), (1461, 191697), (1727, 162171), (3663, 76459), (4383, 63899), (5181, 54057), (5357, 52281), (5809, 48213), (15543, 18019), (16071, 17427)]