155220405

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{3469}}^1$

素因数の和:3653

約数の個数: 32

約数和(自身を含む): 263164800

約数和(自身を除く): 107944395

約数列:

[1, 3, 5, 15, 19, 57, 95, 157, 285, 471, 785, 2355, 2983, 3469, 8949, 10407, 14915, 17345, 44745, 52035, 65911, 197733, 329555, 544633, 988665, 1633899, 2723165, 8169495, 10348027, 31044081, 51740135, 155220405]

約数ペア:

[(1, 155220405), (3, 51740135), (5, 31044081), (15, 10348027), (19, 8169495), (57, 2723165), (95, 1633899), (157, 988665), (285, 544633), (471, 329555), (785, 197733), (2355, 65911), (2983, 52035), (3469, 44745), (8949, 17345), (10407, 14915)]