197955

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:147

約数の個数: 24

約数和(自身を含む): 353808

約数和(自身を除く): 155853

約数列:

[1, 3, 5, 9, 15, 45, 53, 83, 159, 249, 265, 415, 477, 747, 795, 1245, 2385, 3735, 4399, 13197, 21995, 39591, 65985, 197955]

約数ペア:

[(1, 197955), (3, 65985), (5, 39591), (9, 21995), (15, 13197), (45, 4399), (53, 3735), (83, 2385), (159, 1245), (249, 795), (265, 747), (415, 477)]