1639291215

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{338347}}^1$

素因数の和:338391

約数の個数: 32

約数和(自身を含む): 2923326720

約数和(自身を除く): 1284035505

約数列:

[1, 3, 5, 15, 17, 19, 51, 57, 85, 95, 255, 285, 323, 969, 1615, 4845, 338347, 1015041, 1691735, 5075205, 5751899, 6428593, 17255697, 19285779, 28759495, 32142965, 86278485, 96428895, 109286081, 327858243, 546430405, 1639291215]

約数ペア:

[(1, 1639291215), (3, 546430405), (5, 327858243), (15, 109286081), (17, 96428895), (19, 86278485), (51, 32142965), (57, 28759495), (85, 19285779), (95, 17255697), (255, 6428593), (285, 5751899), (323, 5075205), (969, 1691735), (1615, 1015041), (4845, 338347)]