83728257

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:373

約数の個数: 32

約数和(自身を含む): 120130560

約数和(自身を除く): 36402303

約数列:

[1, 3, 23, 59, 69, 131, 157, 177, 393, 471, 1357, 3013, 3611, 4071, 7729, 9039, 9263, 10833, 20567, 23187, 27789, 61701, 177767, 213049, 473041, 533301, 639147, 1213453, 1419123, 3640359, 27909419, 83728257]

約数ペア:

[(1, 83728257), (3, 27909419), (23, 3640359), (59, 1419123), (69, 1213453), (131, 639147), (157, 533301), (177, 473041), (393, 213049), (471, 177767), (1357, 61701), (3013, 27789), (3611, 23187), (4071, 20567), (7729, 10833), (9039, 9263)]