15263451

素因数分解:

$3^3\times 7^2\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:245

約数の個数: 48

約数和(自身を含む): 26812800

約数和(自身を除く): 11549349

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 83, 139, 147, 189, 249, 417, 441, 581, 747, 973, 1251, 1323, 1743, 2241, 2919, 3753, 4067, 5229, 6811, 8757, 11537, 12201, 15687, 20433, 26271, 34611, 36603, 61299, 80759, 103833, 109809, 183897, 242277, 311499, 565313, 726831, 1695939, 2180493, 5087817, 15263451]

約数ペア:

[(1, 15263451), (3, 5087817), (7, 2180493), (9, 1695939), (21, 726831), (27, 565313), (49, 311499), (63, 242277), (83, 183897), (139, 109809), (147, 103833), (189, 80759), (249, 61299), (417, 36603), (441, 34611), (581, 26271), (747, 20433), (973, 15687), (1251, 12201), (1323, 11537), (1743, 8757), (2241, 6811), (2919, 5229), (3753, 4067)]