218841051

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{811}}^1$

素因数の和:892

約数の個数: 64

約数和(自身を含む): 373234176

約数和(自身を除く): 154393125

約数列:

[1, 3, 11, 13, 17, 33, 37, 39, 51, 111, 143, 187, 221, 407, 429, 481, 561, 629, 663, 811, 1221, 1443, 1887, 2431, 2433, 5291, 6919, 7293, 8177, 8921, 10543, 13787, 15873, 20757, 24531, 26763, 30007, 31629, 41361, 89947, 90021, 115973, 151657, 179231, 269841, 330077, 347919, 390091, 454971, 510119, 537693, 990231, 1170273, 1530357, 1971541, 4291001, 5611309, 5914623, 6631547, 12873003, 16833927, 19894641, 72947017, 218841051]

約数ペア:

[(1, 218841051), (3, 72947017), (11, 19894641), (13, 16833927), (17, 12873003), (33, 6631547), (37, 5914623), (39, 5611309), (51, 4291001), (111, 1971541), (143, 1530357), (187, 1170273), (221, 990231), (407, 537693), (429, 510119), (481, 454971), (561, 390091), (629, 347919), (663, 330077), (811, 269841), (1221, 179231), (1443, 151657), (1887, 115973), (2431, 90021), (2433, 89947), (5291, 41361), (6919, 31629), (7293, 30007), (8177, 26763), (8921, 24531), (10543, 20757), (13787, 15873)]