65920515

素因数分解:

$3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{42667}}^1$

素因数の和:42778

約数の個数: 16

約数和(自身を含む): 106499328

約数和(自身を除く): 40578813

約数列:

[1, 3, 5, 15, 103, 309, 515, 1545, 42667, 128001, 213335, 640005, 4394701, 13184103, 21973505, 65920515]

約数ペア:

[(1, 65920515), (3, 21973505), (5, 13184103), (15, 4394701), (103, 640005), (309, 213335), (515, 128001), (1545, 42667)]