28560273

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{2039}}^1$

素因数の和:2101

約数の個数: 32

約数和(自身を含む): 47001600

約数和(自身を除く): 18441327

約数列:

[1, 3, 7, 21, 23, 29, 69, 87, 161, 203, 483, 609, 667, 2001, 2039, 4669, 6117, 14007, 14273, 42819, 46897, 59131, 140691, 177393, 328279, 413917, 984837, 1241751, 1360013, 4080039, 9520091, 28560273]

約数ペア:

[(1, 28560273), (3, 9520091), (7, 4080039), (21, 1360013), (23, 1241751), (29, 984837), (69, 413917), (87, 328279), (161, 177393), (203, 140691), (483, 59131), (609, 46897), (667, 42819), (2001, 14273), (2039, 14007), (4669, 6117)]