81581904

素因数分解:

$2^4\times 3^5\times {\mathrm{20983}}^1$

素因数の和:21006

約数の個数: 60

約数和(自身を含む): 236783456

約数和(自身を除く): 155201552

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 144, 162, 216, 243, 324, 432, 486, 648, 972, 1296, 1944, 3888, 20983, 41966, 62949, 83932, 125898, 167864, 188847, 251796, 335728, 377694, 503592, 566541, 755388, 1007184, 1133082, 1510776, 1699623, 2266164, 3021552, 3399246, 4532328, 5098869, 6798492, 9064656, 10197738, 13596984, 20395476, 27193968, 40790952, 81581904]

約数ペア:

[(1, 81581904), (2, 40790952), (3, 27193968), (4, 20395476), (6, 13596984), (8, 10197738), (9, 9064656), (12, 6798492), (16, 5098869), (18, 4532328), (24, 3399246), (27, 3021552), (36, 2266164), (48, 1699623), (54, 1510776), (72, 1133082), (81, 1007184), (108, 755388), (144, 566541), (162, 503592), (216, 377694), (243, 335728), (324, 251796), (432, 188847), (486, 167864), (648, 125898), (972, 83932), (1296, 62949), (1944, 41966), (3888, 20983)]