91111881

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^2\times {\mathrm{89}}^1$

素因数の和:210

約数の個数: 48

約数和(自身を含む): 148867200

約数和(自身を除く): 57755319

約数列:

[1, 3, 7, 21, 29, 41, 87, 89, 123, 203, 267, 287, 609, 623, 861, 1189, 1681, 1869, 2581, 3567, 3649, 5043, 7743, 8323, 10947, 11767, 18067, 24969, 25543, 35301, 48749, 54201, 76629, 105821, 146247, 149609, 317463, 341243, 448827, 740747, 1023729, 1047263, 2222241, 3141789, 4338661, 13015983, 30370627, 91111881]

約数ペア:

[(1, 91111881), (3, 30370627), (7, 13015983), (21, 4338661), (29, 3141789), (41, 2222241), (87, 1047263), (89, 1023729), (123, 740747), (203, 448827), (267, 341243), (287, 317463), (609, 149609), (623, 146247), (861, 105821), (1189, 76629), (1681, 54201), (1869, 48749), (2581, 35301), (3567, 25543), (3649, 24969), (5043, 18067), (7743, 11767), (8323, 10947)]