348889215

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{881}}^1\times {\mathrm{1553}}^1$

素因数の和:2459

約数の個数: 32

約数和(自身を含む): 592111296

約数和(自身を除く): 243222081

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 881, 1553, 2643, 4405, 4659, 7765, 13215, 14977, 23295, 26401, 44931, 74885, 79203, 132005, 224655, 396015, 1368193, 4104579, 6840965, 20522895, 23259281, 69777843, 116296405, 348889215]

約数ペア:

[(1, 348889215), (3, 116296405), (5, 69777843), (15, 23259281), (17, 20522895), (51, 6840965), (85, 4104579), (255, 1368193), (881, 396015), (1553, 224655), (2643, 132005), (4405, 79203), (4659, 74885), (7765, 44931), (13215, 26401), (14977, 23295)]