78821865

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{33049}}^1$

素因数の和:33113

約数の個数: 24

約数和(自身を含む): 139206600

約数和(自身を除く): 60384735

約数列:

[1, 3, 5, 9, 15, 45, 53, 159, 265, 477, 795, 2385, 33049, 99147, 165245, 297441, 495735, 1487205, 1751597, 5254791, 8757985, 15764373, 26273955, 78821865]

約数ペア:

[(1, 78821865), (3, 26273955), (5, 15764373), (9, 8757985), (15, 5254791), (45, 1751597), (53, 1487205), (159, 495735), (265, 297441), (477, 165245), (795, 99147), (2385, 33049)]