1971333

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1$

素因数の和:138

約数の個数: 48

約数和(自身を含む): 3669120

約数和(自身を除く): 1697787

約数列:

[1, 3, 7, 9, 13, 21, 29, 39, 63, 83, 87, 91, 117, 203, 249, 261, 273, 377, 581, 609, 747, 819, 1079, 1131, 1743, 1827, 2407, 2639, 3237, 3393, 5229, 7221, 7553, 7917, 9711, 16849, 21663, 22659, 23751, 31291, 50547, 67977, 93873, 151641, 219037, 281619, 657111, 1971333]

約数ペア:

[(1, 1971333), (3, 657111), (7, 281619), (9, 219037), (13, 151641), (21, 93873), (29, 67977), (39, 50547), (63, 31291), (83, 23751), (87, 22659), (91, 21663), (117, 16849), (203, 9711), (249, 7917), (261, 7553), (273, 7221), (377, 5229), (581, 3393), (609, 3237), (747, 2639), (819, 2407), (1079, 1827), (1131, 1743)]