42156621

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{197}}^1$

素因数の和:306

約数の個数: 48

約数和(自身を含む): 69189120

約数和(自身を除く): 27032499

約数列:

[1, 3, 9, 13, 31, 39, 59, 93, 117, 177, 197, 279, 403, 531, 591, 767, 1209, 1773, 1829, 2301, 2561, 3627, 5487, 6107, 6903, 7683, 11623, 16461, 18321, 23049, 23777, 34869, 54963, 71331, 79391, 104607, 151099, 213993, 238173, 360313, 453297, 714519, 1080939, 1359891, 3242817, 4684069, 14052207, 42156621]

約数ペア:

[(1, 42156621), (3, 14052207), (9, 4684069), (13, 3242817), (31, 1359891), (39, 1080939), (59, 714519), (93, 453297), (117, 360313), (177, 238173), (197, 213993), (279, 151099), (403, 104607), (531, 79391), (591, 71331), (767, 54963), (1209, 34869), (1773, 23777), (1829, 23049), (2301, 18321), (2561, 16461), (3627, 11623), (5487, 7683), (6107, 6903)]