2057985

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1$

素因数の和:142

約数の個数: 48

約数和(自身を含む): 3931200

約数和(自身を除く): 1873215

約数列:

[1, 3, 5, 9, 15, 19, 29, 45, 57, 83, 87, 95, 145, 171, 249, 261, 285, 415, 435, 551, 747, 855, 1245, 1305, 1577, 1653, 2407, 2755, 3735, 4731, 4959, 7221, 7885, 8265, 12035, 14193, 21663, 23655, 24795, 36105, 45733, 70965, 108315, 137199, 228665, 411597, 685995, 2057985]

約数ペア:

[(1, 2057985), (3, 685995), (5, 411597), (9, 228665), (15, 137199), (19, 108315), (29, 70965), (45, 45733), (57, 36105), (83, 24795), (87, 23655), (95, 21663), (145, 14193), (171, 12035), (249, 8265), (261, 7885), (285, 7221), (415, 4959), (435, 4731), (551, 3735), (747, 2755), (855, 2407), (1245, 1653), (1305, 1577)]