155500965

素因数分解:

$3^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1949}}^1$

素因数の和:2163

約数の個数: 40

約数和(自身を含む): 280308600

約数和(自身を除く): 124807635

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 197, 405, 591, 985, 1773, 1949, 2955, 5319, 5847, 8865, 9745, 15957, 17541, 26595, 29235, 52623, 79785, 87705, 157869, 263115, 383953, 789345, 1151859, 1919765, 3455577, 5759295, 10366731, 17277885, 31100193, 51833655, 155500965]

約数ペア:

[(1, 155500965), (3, 51833655), (5, 31100193), (9, 17277885), (15, 10366731), (27, 5759295), (45, 3455577), (81, 1919765), (135, 1151859), (197, 789345), (405, 383953), (591, 263115), (985, 157869), (1773, 87705), (1949, 79785), (2955, 52623), (5319, 29235), (5847, 26595), (8865, 17541), (9745, 15957)]