18296199

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:178

約数の個数: 48

約数和(自身を含む): 29981952

約数和(自身を除く): 11685753

約数列:

[1, 3, 9, 17, 27, 43, 51, 81, 103, 129, 153, 243, 309, 387, 459, 731, 927, 1161, 1377, 1751, 2193, 2781, 3483, 4131, 4429, 5253, 6579, 8343, 10449, 13287, 15759, 19737, 25029, 39861, 47277, 59211, 75293, 119583, 141831, 177633, 225879, 358749, 425493, 677637, 1076247, 2032911, 6098733, 18296199]

約数ペア:

[(1, 18296199), (3, 6098733), (9, 2032911), (17, 1076247), (27, 677637), (43, 425493), (51, 358749), (81, 225879), (103, 177633), (129, 141831), (153, 119583), (243, 75293), (309, 59211), (387, 47277), (459, 39861), (731, 25029), (927, 19737), (1161, 15759), (1377, 13287), (1751, 10449), (2193, 8343), (2781, 6579), (3483, 5253), (4131, 4429)]