72238887

素因数分解:

$3^2\times 7^4\times {\mathrm{3343}}^1$

素因数の和:3377

約数の個数: 30

約数和(自身を含む): 121765072

約数和(自身を除く): 49526185

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 2401, 3087, 3343, 7203, 10029, 21609, 23401, 30087, 70203, 163807, 210609, 491421, 1146649, 1474263, 3439947, 8026543, 10319841, 24079629, 72238887]

約数ペア:

[(1, 72238887), (3, 24079629), (7, 10319841), (9, 8026543), (21, 3439947), (49, 1474263), (63, 1146649), (147, 491421), (343, 210609), (441, 163807), (1029, 70203), (2401, 30087), (3087, 23401), (3343, 21609), (7203, 10029)]