408060939

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:348

約数の個数: 64

約数和(自身を含む): 661022208

約数和(自身を除く): 252961269

約数列:

[1, 3, 11, 13, 33, 39, 53, 131, 137, 143, 159, 393, 411, 429, 583, 689, 1441, 1507, 1703, 1749, 1781, 2067, 4323, 4521, 5109, 5343, 6943, 7261, 7579, 17947, 18733, 19591, 20829, 21783, 22737, 53841, 56199, 58773, 76373, 79871, 90259, 94393, 197417, 229119, 233311, 239613, 270777, 283179, 592251, 699933, 951191, 992849, 1038323, 2566421, 2853573, 2978547, 3114969, 7699263, 10463101, 12365483, 31389303, 37096449, 136020313, 408060939]

約数ペア:

[(1, 408060939), (3, 136020313), (11, 37096449), (13, 31389303), (33, 12365483), (39, 10463101), (53, 7699263), (131, 3114969), (137, 2978547), (143, 2853573), (159, 2566421), (393, 1038323), (411, 992849), (429, 951191), (583, 699933), (689, 592251), (1441, 283179), (1507, 270777), (1703, 239613), (1749, 233311), (1781, 229119), (2067, 197417), (4323, 94393), (4521, 90259), (5109, 79871), (5343, 76373), (6943, 58773), (7261, 56199), (7579, 53841), (17947, 22737), (18733, 21783), (19591, 20829)]