64151757

素因数分解:

$3^5\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 101267712

約数和(自身を除く): 37115955

約数列:

[1, 3, 9, 27, 41, 47, 81, 123, 137, 141, 243, 369, 411, 423, 1107, 1233, 1269, 1927, 3321, 3699, 3807, 5617, 5781, 6439, 9963, 11097, 11421, 16851, 17343, 19317, 33291, 50553, 52029, 57951, 151659, 156087, 173853, 263999, 454977, 468261, 521559, 791997, 1364931, 1564677, 2375991, 7127973, 21383919, 64151757]

約数ペア:

[(1, 64151757), (3, 21383919), (9, 7127973), (27, 2375991), (41, 1564677), (47, 1364931), (81, 791997), (123, 521559), (137, 468261), (141, 454977), (243, 263999), (369, 173853), (411, 156087), (423, 151659), (1107, 57951), (1233, 52029), (1269, 50553), (1927, 33291), (3321, 19317), (3699, 17343), (3807, 16851), (5617, 11421), (5781, 11097), (6439, 9963)]