420497265

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{709}}^1\times {\mathrm{2081}}^1$

素因数の和:2817

約数の個数: 32

約数和(自身を含む): 709545600

約数和(自身を除く): 289048335

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 709, 2081, 2127, 3545, 6243, 10405, 10635, 13471, 31215, 39539, 40413, 67355, 118617, 197695, 202065, 593085, 1475429, 4426287, 7377145, 22131435, 28033151, 84099453, 140165755, 420497265]

約数ペア:

[(1, 420497265), (3, 140165755), (5, 84099453), (15, 28033151), (19, 22131435), (57, 7377145), (95, 4426287), (285, 1475429), (709, 593085), (2081, 202065), (2127, 197695), (3545, 118617), (6243, 67355), (10405, 40413), (10635, 39539), (13471, 31215)]