81402084

素因数分解:

$2^2\times 3^5\times {\mathrm{83}}^1\times {\mathrm{1009}}^1$

素因数の和:1111

約数の個数: 72

約数和(自身を含む): 216172320

約数和(自身を除く): 134770236

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 83, 108, 162, 166, 243, 249, 324, 332, 486, 498, 747, 972, 996, 1009, 1494, 2018, 2241, 2988, 3027, 4036, 4482, 6054, 6723, 8964, 9081, 12108, 13446, 18162, 20169, 26892, 27243, 36324, 40338, 54486, 80676, 81729, 83747, 108972, 163458, 167494, 245187, 251241, 326916, 334988, 490374, 502482, 753723, 980748, 1004964, 1507446, 2261169, 3014892, 4522338, 6783507, 9044676, 13567014, 20350521, 27134028, 40701042, 81402084]

約数ペア:

[(1, 81402084), (2, 40701042), (3, 27134028), (4, 20350521), (6, 13567014), (9, 9044676), (12, 6783507), (18, 4522338), (27, 3014892), (36, 2261169), (54, 1507446), (81, 1004964), (83, 980748), (108, 753723), (162, 502482), (166, 490374), (243, 334988), (249, 326916), (324, 251241), (332, 245187), (486, 167494), (498, 163458), (747, 108972), (972, 83747), (996, 81729), (1009, 80676), (1494, 54486), (2018, 40338), (2241, 36324), (2988, 27243), (3027, 26892), (4036, 20169), (4482, 18162), (6054, 13446), (6723, 12108), (8964, 9081)]