81845337

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{263}}^1$

素因数の和:382

約数の個数: 48

約数和(自身を含む): 133626240

約数和(自身を除く): 51780903

約数列:

[1, 3, 7, 21, 29, 49, 73, 87, 147, 203, 219, 263, 511, 609, 789, 1421, 1533, 1841, 2117, 3577, 4263, 5523, 6351, 7627, 10731, 12887, 14819, 19199, 22881, 38661, 44457, 53389, 57597, 103733, 134393, 160167, 311199, 373723, 403179, 556771, 940751, 1121169, 1670313, 2822253, 3897397, 11692191, 27281779, 81845337]

約数ペア:

[(1, 81845337), (3, 27281779), (7, 11692191), (21, 3897397), (29, 2822253), (49, 1670313), (73, 1121169), (87, 940751), (147, 556771), (203, 403179), (219, 373723), (263, 311199), (511, 160167), (609, 134393), (789, 103733), (1421, 57597), (1533, 53389), (1841, 44457), (2117, 38661), (3577, 22881), (4263, 19199), (5523, 14819), (6351, 12887), (7627, 10731)]