138889350135

素因数分解:

$3^4\times 5^1\times {\mathrm{342936667}}^1$

素因数の和:342936684

約数の個数: 20

約数和(自身を含む): 248972020968

約数和(自身を除く): 110082670833

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 342936667, 1028810001, 1714683335, 3086430003, 5144050005, 9259290009, 15432150015, 27777870027, 46296450045, 138889350135]

約数ペア:

[(1, 138889350135), (3, 46296450045), (5, 27777870027), (9, 15432150015), (15, 9259290009), (27, 5144050005), (45, 3086430003), (81, 1714683335), (135, 1028810001), (405, 342936667)]