28343475

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{5477}}^1$

素因数の和:5516

約数の個数: 36

約数和(自身を含む): 52983216

約数和(自身を除く): 24639741

約数列:

[1, 3, 5, 9, 15, 23, 25, 45, 69, 75, 115, 207, 225, 345, 575, 1035, 1725, 5175, 5477, 16431, 27385, 49293, 82155, 125971, 136925, 246465, 377913, 410775, 629855, 1133739, 1232325, 1889565, 3149275, 5668695, 9447825, 28343475]

約数ペア:

[(1, 28343475), (3, 9447825), (5, 5668695), (9, 3149275), (15, 1889565), (23, 1232325), (25, 1133739), (45, 629855), (69, 410775), (75, 377913), (115, 246465), (207, 136925), (225, 125971), (345, 82155), (575, 49293), (1035, 27385), (1725, 16431), (5175, 5477)]