28269645

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{1223}}^1$

素因数の和:1321

約数の個数: 32

約数和(自身を含む): 47941632

約数和(自身を除く): 19671987

約数列:

[1, 3, 5, 15, 23, 67, 69, 115, 201, 335, 345, 1005, 1223, 1541, 3669, 4623, 6115, 7705, 18345, 23115, 28129, 81941, 84387, 140645, 245823, 409705, 421935, 1229115, 1884643, 5653929, 9423215, 28269645]

約数ペア:

[(1, 28269645), (3, 9423215), (5, 5653929), (15, 1884643), (23, 1229115), (67, 421935), (69, 409705), (115, 245823), (201, 140645), (335, 84387), (345, 81941), (1005, 28129), (1223, 23115), (1541, 18345), (3669, 7705), (4623, 6115)]