420142723

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{227}}^1$

素因数の和:344

約数の個数: 48

約数和(自身を含む): 580075776

約数和(自身を除く): 159933053

約数列:

[1, 7, 11, 13, 43, 77, 91, 143, 227, 301, 473, 559, 1001, 1589, 1849, 2497, 2951, 3311, 3913, 6149, 9761, 12943, 17479, 20339, 20657, 24037, 32461, 43043, 68327, 107371, 126893, 142373, 168259, 227227, 264407, 419723, 751597, 888251, 1395823, 1850849, 2938061, 4616953, 5456399, 9770761, 32318671, 38194793, 60020389, 420142723]

約数ペア:

[(1, 420142723), (7, 60020389), (11, 38194793), (13, 32318671), (43, 9770761), (77, 5456399), (91, 4616953), (143, 2938061), (227, 1850849), (301, 1395823), (473, 888251), (559, 751597), (1001, 419723), (1589, 264407), (1849, 227227), (2497, 168259), (2951, 142373), (3311, 126893), (3913, 107371), (6149, 68327), (9761, 43043), (12943, 32461), (17479, 24037), (20339, 20657)]