201663891

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2749}}^1$

素因数の和:2801

約数の個数: 64

約数和(自身を含む): 369600000

約数和(自身を除く): 167936109

約数列:

[1, 3, 9, 11, 13, 19, 27, 33, 39, 57, 99, 117, 143, 171, 209, 247, 297, 351, 429, 513, 627, 741, 1287, 1881, 2223, 2717, 2749, 3861, 5643, 6669, 8151, 8247, 24453, 24741, 30239, 35737, 52231, 73359, 74223, 90717, 107211, 156693, 272151, 321633, 393107, 470079, 574541, 679003, 816453, 964899, 1179321, 1410237, 1723623, 2037009, 3537963, 5170869, 6111027, 7469033, 10613889, 15512607, 18333081, 22407099, 67221297, 201663891]

約数ペア:

[(1, 201663891), (3, 67221297), (9, 22407099), (11, 18333081), (13, 15512607), (19, 10613889), (27, 7469033), (33, 6111027), (39, 5170869), (57, 3537963), (99, 2037009), (117, 1723623), (143, 1410237), (171, 1179321), (209, 964899), (247, 816453), (297, 679003), (351, 574541), (429, 470079), (513, 393107), (627, 321633), (741, 272151), (1287, 156693), (1881, 107211), (2223, 90717), (2717, 74223), (2749, 73359), (3861, 52231), (5643, 35737), (6669, 30239), (8151, 24741), (8247, 24453)]