168609915

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{2749}}^1$

素因数の和:2836

約数の個数: 48

約数和(自身を含む): 308880000

約数和(自身を除く): 140270085

約数列:

[1, 3, 5, 9, 15, 29, 45, 47, 87, 141, 145, 235, 261, 423, 435, 705, 1305, 1363, 2115, 2749, 4089, 6815, 8247, 12267, 13745, 20445, 24741, 41235, 61335, 79721, 123705, 129203, 239163, 387609, 398605, 646015, 717489, 1162827, 1195815, 1938045, 3587445, 3746887, 5814135, 11240661, 18734435, 33721983, 56203305, 168609915]

約数ペア:

[(1, 168609915), (3, 56203305), (5, 33721983), (9, 18734435), (15, 11240661), (29, 5814135), (45, 3746887), (47, 3587445), (87, 1938045), (141, 1195815), (145, 1162827), (235, 717489), (261, 646015), (423, 398605), (435, 387609), (705, 239163), (1305, 129203), (1363, 123705), (2115, 79721), (2749, 61335), (4089, 41235), (6815, 24741), (8247, 20445), (12267, 13745)]