12940995

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2671}}^1$

素因数の和:2715

約数の個数: 32

約数和(自身を含む): 23086080

約数和(自身を除く): 10145085

約数列:

[1, 3, 5, 15, 17, 19, 51, 57, 85, 95, 255, 285, 323, 969, 1615, 2671, 4845, 8013, 13355, 40065, 45407, 50749, 136221, 152247, 227035, 253745, 681105, 761235, 862733, 2588199, 4313665, 12940995]

約数ペア:

[(1, 12940995), (3, 4313665), (5, 2588199), (15, 862733), (17, 761235), (19, 681105), (51, 253745), (57, 227035), (85, 152247), (95, 136221), (255, 50749), (285, 45407), (323, 40065), (969, 13355), (1615, 8013), (2671, 4845)]