81974214

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{229}}^1\times {\mathrm{947}}^1$

素因数の和:1194

約数の個数: 64

約数和(自身を含む): 209318400

約数和(自身を除く): 127344186

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 229, 378, 458, 687, 947, 1374, 1603, 1894, 2061, 2841, 3206, 4122, 4809, 5682, 6183, 6629, 8523, 9618, 12366, 13258, 14427, 17046, 19887, 25569, 28854, 39774, 43281, 51138, 59661, 86562, 119322, 178983, 216863, 357966, 433726, 650589, 1301178, 1518041, 1951767, 3036082, 3903534, 4554123, 5855301, 9108246, 11710602, 13662369, 27324738, 40987107, 81974214]

約数ペア:

[(1, 81974214), (2, 40987107), (3, 27324738), (6, 13662369), (7, 11710602), (9, 9108246), (14, 5855301), (18, 4554123), (21, 3903534), (27, 3036082), (42, 1951767), (54, 1518041), (63, 1301178), (126, 650589), (189, 433726), (229, 357966), (378, 216863), (458, 178983), (687, 119322), (947, 86562), (1374, 59661), (1603, 51138), (1894, 43281), (2061, 39774), (2841, 28854), (3206, 25569), (4122, 19887), (4809, 17046), (5682, 14427), (6183, 13258), (6629, 12366), (8523, 9618)]