61392495

素因数分解:

$3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:495

約数の個数: 32

約数和(自身を含む): 100108800

約数和(自身を除く): 38716305

約数列:

[1, 3, 5, 15, 131, 157, 199, 393, 471, 597, 655, 785, 995, 1965, 2355, 2985, 20567, 26069, 31243, 61701, 78207, 93729, 102835, 130345, 156215, 308505, 391035, 468645, 4092833, 12278499, 20464165, 61392495]

約数ペア:

[(1, 61392495), (3, 20464165), (5, 12278499), (15, 4092833), (131, 468645), (157, 391035), (199, 308505), (393, 156215), (471, 130345), (597, 102835), (655, 93729), (785, 78207), (995, 61701), (1965, 31243), (2355, 26069), (2985, 20567)]