7400888901

素因数分解:

$3^2\times 7^2\times {\mathrm{821}}^1\times {\mathrm{20441}}^1$

素因数の和:21282

約数の個数: 36

約数和(自身を含む): 12451263084

約数和(自身を除く): 5050374183

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 821, 2463, 5747, 7389, 17241, 20441, 40229, 51723, 61323, 120687, 143087, 183969, 362061, 429261, 1001609, 1287783, 3004827, 9014481, 16782061, 50346183, 117474427, 151038549, 352423281, 822320989, 1057269843, 2466962967, 7400888901]

約数ペア:

[(1, 7400888901), (3, 2466962967), (7, 1057269843), (9, 822320989), (21, 352423281), (49, 151038549), (63, 117474427), (147, 50346183), (441, 16782061), (821, 9014481), (2463, 3004827), (5747, 1287783), (7389, 1001609), (17241, 429261), (20441, 362061), (40229, 183969), (51723, 143087), (61323, 120687)]