81981828

素因数分解:

$2^2\times 3^3\times {\mathrm{163}}^1\times {\mathrm{4657}}^1$

素因数の和:4833

約数の個数: 48

約数和(自身を含む): 213895360

約数和(自身を除く): 131913532

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 163, 326, 489, 652, 978, 1467, 1956, 2934, 4401, 4657, 5868, 8802, 9314, 13971, 17604, 18628, 27942, 41913, 55884, 83826, 125739, 167652, 251478, 502956, 759091, 1518182, 2277273, 3036364, 4554546, 6831819, 9109092, 13663638, 20495457, 27327276, 40990914, 81981828]

約数ペア:

[(1, 81981828), (2, 40990914), (3, 27327276), (4, 20495457), (6, 13663638), (9, 9109092), (12, 6831819), (18, 4554546), (27, 3036364), (36, 2277273), (54, 1518182), (108, 759091), (163, 502956), (326, 251478), (489, 167652), (652, 125739), (978, 83826), (1467, 55884), (1956, 41913), (2934, 27942), (4401, 18628), (4657, 17604), (5868, 13971), (8802, 9314)]