201665715

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{4507}}^1$

素因数の和:4691

約数の個数: 32

約数和(自身を含む): 341886720

約数和(自身を除く): 140221005

約数列:

[1, 3, 5, 15, 19, 57, 95, 157, 285, 471, 785, 2355, 2983, 4507, 8949, 13521, 14915, 22535, 44745, 67605, 85633, 256899, 428165, 707599, 1284495, 2122797, 3537995, 10613985, 13444381, 40333143, 67221905, 201665715]

約数ペア:

[(1, 201665715), (3, 67221905), (5, 40333143), (15, 13444381), (19, 10613985), (57, 3537995), (95, 2122797), (157, 1284495), (285, 707599), (471, 428165), (785, 256899), (2355, 85633), (2983, 67605), (4507, 44745), (8949, 22535), (13521, 14915)]