28399365

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{1193}}^1$

素因数の和:1250

約数の個数: 36

約数和(自身を含む): 51501996

約数和(自身を除く): 23102631

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 529, 1035, 1193, 1587, 2645, 3579, 4761, 5965, 7935, 10737, 17895, 23805, 27439, 53685, 82317, 137195, 246951, 411585, 631097, 1234755, 1893291, 3155485, 5679873, 9466455, 28399365]

約数ペア:

[(1, 28399365), (3, 9466455), (5, 5679873), (9, 3155485), (15, 1893291), (23, 1234755), (45, 631097), (69, 411585), (115, 246951), (207, 137195), (345, 82317), (529, 53685), (1035, 27439), (1193, 23805), (1587, 17895), (2645, 10737), (3579, 7935), (4761, 5965)]