28694685

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2683}}^1$

素因数の和:2745

約数の個数: 32

約数和(自身を含む): 49471488

約数和(自身を除く): 20776803

約数列:

[1, 3, 5, 15, 23, 31, 69, 93, 115, 155, 345, 465, 713, 2139, 2683, 3565, 8049, 10695, 13415, 40245, 61709, 83173, 185127, 249519, 308545, 415865, 925635, 1247595, 1912979, 5738937, 9564895, 28694685]

約数ペア:

[(1, 28694685), (3, 9564895), (5, 5738937), (15, 1912979), (23, 1247595), (31, 925635), (69, 415865), (93, 308545), (115, 249519), (155, 185127), (345, 83173), (465, 61709), (713, 40245), (2139, 13415), (2683, 10695), (3565, 8049)]