78289197

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{479}}^1$

素因数の和:713

約数の個数: 32

約数和(自身を含む): 123002880

約数和(自身を除く): 44713683

約数列:

[1, 3, 7, 21, 43, 129, 181, 301, 479, 543, 903, 1267, 1437, 3353, 3801, 7783, 10059, 20597, 23349, 54481, 61791, 86699, 144179, 163443, 260097, 432537, 606893, 1820679, 3728057, 11184171, 26096399, 78289197]

約数ペア:

[(1, 78289197), (3, 26096399), (7, 11184171), (21, 3728057), (43, 1820679), (129, 606893), (181, 432537), (301, 260097), (479, 163443), (543, 144179), (903, 86699), (1267, 61791), (1437, 54481), (3353, 23349), (3801, 20597), (7783, 10059)]