72820485

素因数分解:

$3^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{5237}}^1$

素因数の和:5354

約数の個数: 32

約数和(自身を含む): 130740480

約数和(自身を除く): 57919995

約数列:

[1, 3, 5, 9, 15, 27, 45, 103, 135, 309, 515, 927, 1545, 2781, 4635, 5237, 13905, 15711, 26185, 47133, 78555, 141399, 235665, 539411, 706995, 1618233, 2697055, 4854699, 8091165, 14564097, 24273495, 72820485]

約数ペア:

[(1, 72820485), (3, 24273495), (5, 14564097), (9, 8091165), (15, 4854699), (27, 2697055), (45, 1618233), (103, 706995), (135, 539411), (309, 235665), (515, 141399), (927, 78555), (1545, 47133), (2781, 26185), (4635, 15711), (5237, 13905)]