2016351981

素因数分解:

$3^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{1993}}^1$

素因数の和:2163

約数の個数: 64

約数和(自身を含む): 3514544640

約数和(自身を除く): 1498192659

約数列:

[1, 3, 7, 9, 21, 27, 53, 63, 101, 159, 189, 303, 371, 477, 707, 909, 1113, 1431, 1993, 2121, 2727, 3339, 5353, 5979, 6363, 10017, 13951, 16059, 17937, 19089, 37471, 41853, 48177, 53811, 105629, 112413, 125559, 144531, 201293, 316887, 337239, 376677, 603879, 739403, 950661, 1011717, 1409051, 1811637, 2218209, 2851983, 4227153, 5434911, 6654627, 10668529, 12681459, 19963881, 32005587, 38044377, 74679703, 96016761, 224039109, 288050283, 672117327, 2016351981]

約数ペア:

[(1, 2016351981), (3, 672117327), (7, 288050283), (9, 224039109), (21, 96016761), (27, 74679703), (53, 38044377), (63, 32005587), (101, 19963881), (159, 12681459), (189, 10668529), (303, 6654627), (371, 5434911), (477, 4227153), (707, 2851983), (909, 2218209), (1113, 1811637), (1431, 1409051), (1993, 1011717), (2121, 950661), (2727, 739403), (3339, 603879), (5353, 376677), (5979, 337239), (6363, 316887), (10017, 201293), (13951, 144531), (16059, 125559), (17937, 112413), (19089, 105629), (37471, 53811), (41853, 48177)]