38640975

素因数分解:

$3^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{9721}}^1$

素因数の和:9787

約数の個数: 24

約数和(自身を含む): 65098512

約数和(自身を除く): 26457537

約数列:

[1, 3, 5, 15, 25, 53, 75, 159, 265, 795, 1325, 3975, 9721, 29163, 48605, 145815, 243025, 515213, 729075, 1545639, 2576065, 7728195, 12880325, 38640975]

約数ペア:

[(1, 38640975), (3, 12880325), (5, 7728195), (15, 2576065), (25, 1545639), (53, 729075), (75, 515213), (159, 243025), (265, 145815), (795, 48605), (1325, 29163), (3975, 9721)]