84691995

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1\times {\mathrm{283}}^1$

素因数の和:643

約数の個数: 32

約数和(自身を含む): 138392064

約数和(自身を除く): 53700069

約数列:

[1, 3, 5, 15, 71, 213, 281, 283, 355, 843, 849, 1065, 1405, 1415, 4215, 4245, 19951, 20093, 59853, 60279, 79523, 99755, 100465, 238569, 299265, 301395, 397615, 1192845, 5646133, 16938399, 28230665, 84691995]

約数ペア:

[(1, 84691995), (3, 28230665), (5, 16938399), (15, 5646133), (71, 1192845), (213, 397615), (281, 301395), (283, 299265), (355, 238569), (843, 100465), (849, 99755), (1065, 79523), (1405, 60279), (1415, 59853), (4215, 20093), (4245, 19951)]