81353844

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{15803}}^1$

素因数の和:15837

約数の個数: 72

約数和(自身を含む): 241611552

約数和(自身を除く): 160257708

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 22, 26, 33, 36, 39, 44, 52, 66, 78, 99, 117, 132, 143, 156, 198, 234, 286, 396, 429, 468, 572, 858, 1287, 1716, 2574, 5148, 15803, 31606, 47409, 63212, 94818, 142227, 173833, 189636, 205439, 284454, 347666, 410878, 521499, 568908, 616317, 695332, 821756, 1042998, 1232634, 1564497, 1848951, 2085996, 2259829, 2465268, 3128994, 3697902, 4519658, 6257988, 6779487, 7395804, 9039316, 13558974, 20338461, 27117948, 40676922, 81353844]

約数ペア:

[(1, 81353844), (2, 40676922), (3, 27117948), (4, 20338461), (6, 13558974), (9, 9039316), (11, 7395804), (12, 6779487), (13, 6257988), (18, 4519658), (22, 3697902), (26, 3128994), (33, 2465268), (36, 2259829), (39, 2085996), (44, 1848951), (52, 1564497), (66, 1232634), (78, 1042998), (99, 821756), (117, 695332), (132, 616317), (143, 568908), (156, 521499), (198, 410878), (234, 347666), (286, 284454), (396, 205439), (429, 189636), (468, 173833), (572, 142227), (858, 94818), (1287, 63212), (1716, 47409), (2574, 31606), (5148, 15803)]