81209466

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{38561}}^1$

素因数の和:38588

約数の個数: 40

約数和(自身を含む): 195972084

約数和(自身を除く): 114762618

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 234, 351, 702, 1053, 2106, 38561, 77122, 115683, 231366, 347049, 501293, 694098, 1002586, 1041147, 1503879, 2082294, 3007758, 3123441, 4511637, 6246882, 9023274, 13534911, 27069822, 40604733, 81209466]

約数ペア:

[(1, 81209466), (2, 40604733), (3, 27069822), (6, 13534911), (9, 9023274), (13, 6246882), (18, 4511637), (26, 3123441), (27, 3007758), (39, 2082294), (54, 1503879), (78, 1041147), (81, 1002586), (117, 694098), (162, 501293), (234, 347049), (351, 231366), (702, 115683), (1053, 77122), (2106, 38561)]