81253325

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{1777}}^1$

素因数の和:1877

約数の個数: 24

約数和(自身を含む): 105826560

約数和(自身を除く): 24573235

約数列:

[1, 5, 25, 31, 59, 155, 295, 775, 1475, 1777, 1829, 8885, 9145, 44425, 45725, 55087, 104843, 275435, 524215, 1377175, 2621075, 3250133, 16250665, 81253325]

約数ペア:

[(1, 81253325), (5, 16250665), (25, 3250133), (31, 2621075), (59, 1377175), (155, 524215), (295, 275435), (775, 104843), (1475, 55087), (1777, 45725), (1829, 44425), (8885, 9145)]