164728215

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71777}}^1$

素因数の和:71808

約数の個数: 32

約数和(自身を含む): 310080960

約数和(自身を除く): 145352745

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 71777, 215331, 358885, 645993, 1076655, 1220209, 1937979, 3229965, 3660627, 6101045, 9689895, 10981881, 18303135, 32945643, 54909405, 164728215]

約数ペア:

[(1, 164728215), (3, 54909405), (5, 32945643), (9, 18303135), (15, 10981881), (17, 9689895), (27, 6101045), (45, 3660627), (51, 3229965), (85, 1937979), (135, 1220209), (153, 1076655), (255, 645993), (459, 358885), (765, 215331), (2295, 71777)]