145620009

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{503}}^1\times {\mathrm{1693}}^1$

素因数の和:2221

約数の個数: 24

約数和(自身を含む): 221981760

約数和(自身を除く): 76361751

約数列:

[1, 3, 9, 19, 57, 171, 503, 1509, 1693, 4527, 5079, 9557, 15237, 28671, 32167, 86013, 96501, 289503, 851579, 2554737, 7664211, 16180001, 48540003, 145620009]

約数ペア:

[(1, 145620009), (3, 48540003), (9, 16180001), (19, 7664211), (57, 2554737), (171, 851579), (503, 289503), (1509, 96501), (1693, 86013), (4527, 32167), (5079, 28671), (9557, 15237)]