214947285

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{661}}^1$

素因数の和:858

約数の個数: 64

約数和(自身を含む): 416901120

約数和(自身を除く): 201953835

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 163, 285, 399, 489, 661, 665, 815, 1141, 1983, 1995, 2445, 3097, 3305, 3423, 4627, 5705, 9291, 9915, 12559, 13881, 15485, 17115, 21679, 23135, 37677, 46455, 62795, 65037, 69405, 87913, 107743, 108395, 188385, 263739, 323229, 325185, 439565, 538715, 754201, 1318695, 1616145, 2047117, 2262603, 3771005, 6141351, 10235585, 11313015, 14329819, 30706755, 42989457, 71649095, 214947285]

約数ペア:

[(1, 214947285), (3, 71649095), (5, 42989457), (7, 30706755), (15, 14329819), (19, 11313015), (21, 10235585), (35, 6141351), (57, 3771005), (95, 2262603), (105, 2047117), (133, 1616145), (163, 1318695), (285, 754201), (399, 538715), (489, 439565), (661, 325185), (665, 323229), (815, 263739), (1141, 188385), (1983, 108395), (1995, 107743), (2445, 87913), (3097, 69405), (3305, 65037), (3423, 62795), (4627, 46455), (5705, 37677), (9291, 23135), (9915, 21679), (12559, 17115), (13881, 15485)]