81381672

素因数分解:

$2^3\times 3^5\times {\mathrm{41863}}^1$

素因数の和:41884

約数の個数: 48

約数和(自身を含む): 228577440

約数和(自身を除く): 147195768

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 243, 324, 486, 648, 972, 1944, 41863, 83726, 125589, 167452, 251178, 334904, 376767, 502356, 753534, 1004712, 1130301, 1507068, 2260602, 3014136, 3390903, 4521204, 6781806, 9042408, 10172709, 13563612, 20345418, 27127224, 40690836, 81381672]

約数ペア:

[(1, 81381672), (2, 40690836), (3, 27127224), (4, 20345418), (6, 13563612), (8, 10172709), (9, 9042408), (12, 6781806), (18, 4521204), (24, 3390903), (27, 3014136), (36, 2260602), (54, 1507068), (72, 1130301), (81, 1004712), (108, 753534), (162, 502356), (216, 376767), (243, 334904), (324, 251178), (486, 167452), (648, 125589), (972, 83726), (1944, 41863)]