2164201821

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{48491}}^1$

素因数の和:48551

約数の個数: 40

約数和(自身を含む): 3520519200

約数和(自身を除く): 1356317379

約数列:

[1, 3, 9, 19, 27, 29, 57, 81, 87, 171, 261, 513, 551, 783, 1539, 1653, 2349, 4959, 14877, 44631, 48491, 145473, 436419, 921329, 1309257, 1406239, 2763987, 3927771, 4218717, 8291961, 12656151, 24875883, 26718541, 37968453, 74627649, 80155623, 113905359, 240466869, 721400607, 2164201821]

約数ペア:

[(1, 2164201821), (3, 721400607), (9, 240466869), (19, 113905359), (27, 80155623), (29, 74627649), (57, 37968453), (81, 26718541), (87, 24875883), (171, 12656151), (261, 8291961), (513, 4218717), (551, 3927771), (783, 2763987), (1539, 1406239), (1653, 1309257), (2349, 921329), (4959, 436419), (14877, 145473), (44631, 48491)]