78998895

素因数分解:

$3^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1489}}^1$

素因数の和:1637

約数の個数: 40

約数和(自身を含む): 142789680

約数和(自身を除く): 63790785

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 131, 135, 393, 405, 655, 1179, 1489, 1965, 3537, 4467, 5895, 7445, 10611, 13401, 17685, 22335, 40203, 53055, 67005, 120609, 195059, 201015, 585177, 603045, 975295, 1755531, 2925885, 5266593, 8777655, 15799779, 26332965, 78998895]

約数ペア:

[(1, 78998895), (3, 26332965), (5, 15799779), (9, 8777655), (15, 5266593), (27, 2925885), (45, 1755531), (81, 975295), (131, 603045), (135, 585177), (393, 201015), (405, 195059), (655, 120609), (1179, 67005), (1489, 53055), (1965, 40203), (3537, 22335), (4467, 17685), (5895, 13401), (7445, 10611)]