51353865

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20021}}^1$

素因数の和:20054

約数の個数: 32

約数和(自身を含む): 96105600

約数和(自身を除く): 44751735

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 285, 513, 855, 2565, 20021, 60063, 100105, 180189, 300315, 380399, 540567, 900945, 1141197, 1901995, 2702835, 3423591, 5705985, 10270773, 17117955, 51353865]

約数ペア:

[(1, 51353865), (3, 17117955), (5, 10270773), (9, 5705985), (15, 3423591), (19, 2702835), (27, 1901995), (45, 1141197), (57, 900945), (95, 540567), (135, 380399), (171, 300315), (285, 180189), (513, 100105), (855, 60063), (2565, 20021)]