51728166

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{281}}^1\times {\mathrm{487}}^1$

素因数の和:786

約数の個数: 64

約数和(自身を含む): 132111360

約数和(自身を除く): 80383194

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 281, 378, 487, 562, 843, 974, 1461, 1686, 1967, 2529, 2922, 3409, 3934, 4383, 5058, 5901, 6818, 7587, 8766, 10227, 11802, 13149, 15174, 17703, 20454, 26298, 30681, 35406, 53109, 61362, 92043, 106218, 136847, 184086, 273694, 410541, 821082, 957929, 1231623, 1915858, 2463246, 2873787, 3694869, 5747574, 7389738, 8621361, 17242722, 25864083, 51728166]

約数ペア:

[(1, 51728166), (2, 25864083), (3, 17242722), (6, 8621361), (7, 7389738), (9, 5747574), (14, 3694869), (18, 2873787), (21, 2463246), (27, 1915858), (42, 1231623), (54, 957929), (63, 821082), (126, 410541), (189, 273694), (281, 184086), (378, 136847), (487, 106218), (562, 92043), (843, 61362), (974, 53109), (1461, 35406), (1686, 30681), (1967, 26298), (2529, 20454), (2922, 17703), (3409, 15174), (3934, 13149), (4383, 11802), (5058, 10227), (5901, 8766), (6818, 7587)]