28238805

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{571}}^1$

素因数の和:746

約数の個数: 48

約数和(自身を含む): 56394624

約数和(自身を除く): 28155819

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 157, 315, 471, 571, 785, 1099, 1413, 1713, 2355, 2855, 3297, 3997, 5139, 5495, 7065, 8565, 9891, 11991, 16485, 19985, 25695, 35973, 49455, 59955, 89647, 179865, 268941, 448235, 627529, 806823, 1344705, 1882587, 3137645, 4034115, 5647761, 9412935, 28238805]

約数ペア:

[(1, 28238805), (3, 9412935), (5, 5647761), (7, 4034115), (9, 3137645), (15, 1882587), (21, 1344705), (35, 806823), (45, 627529), (63, 448235), (105, 268941), (157, 179865), (315, 89647), (471, 59955), (571, 49455), (785, 35973), (1099, 25695), (1413, 19985), (1713, 16485), (2355, 11991), (2855, 9891), (3297, 8565), (3997, 7065), (5139, 5495)]