28030215

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{719}}^1$

素因数の和:863

約数の個数: 32

約数和(自身を含む): 47278080

約数和(自身を除く): 19247865

約数列:

[1, 3, 5, 15, 23, 69, 113, 115, 339, 345, 565, 719, 1695, 2157, 2599, 3595, 7797, 10785, 12995, 16537, 38985, 49611, 81247, 82685, 243741, 248055, 406235, 1218705, 1868681, 5606043, 9343405, 28030215]

約数ペア:

[(1, 28030215), (3, 9343405), (5, 5606043), (15, 1868681), (23, 1218705), (69, 406235), (113, 248055), (115, 243741), (339, 82685), (345, 81247), (565, 49611), (719, 38985), (1695, 16537), (2157, 12995), (2599, 10785), (3595, 7797)]