17725149

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 29679104

約数和(自身を除く): 11953955

約数列:

[1, 3, 9, 13, 27, 31, 39, 81, 93, 117, 181, 243, 279, 351, 403, 543, 837, 1053, 1209, 1629, 2353, 2511, 3159, 3627, 4887, 5611, 7059, 7533, 10881, 14661, 16833, 21177, 32643, 43983, 50499, 63531, 72943, 97929, 151497, 190593, 218829, 454491, 571779, 656487, 1363473, 1969461, 5908383, 17725149]

約数ペア:

[(1, 17725149), (3, 5908383), (9, 1969461), (13, 1363473), (27, 656487), (31, 571779), (39, 454491), (81, 218829), (93, 190593), (117, 151497), (181, 97929), (243, 72943), (279, 63531), (351, 50499), (403, 43983), (543, 32643), (837, 21177), (1053, 16833), (1209, 14661), (1629, 10881), (2353, 7533), (2511, 7059), (3159, 5611), (3627, 4887)]