205623909

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{229}}^1$

素因数の和:402

約数の個数: 48

約数和(自身を含む): 322920000

約数和(自身を除く): 117296091

約数列:

[1, 3, 9, 19, 57, 59, 89, 171, 177, 229, 267, 531, 687, 801, 1121, 1691, 2061, 3363, 4351, 5073, 5251, 10089, 13053, 13511, 15219, 15753, 20381, 39159, 40533, 47259, 61143, 99769, 121599, 183429, 256709, 299307, 387239, 770127, 897921, 1161717, 1202479, 2310381, 3485151, 3607437, 10822311, 22847101, 68541303, 205623909]

約数ペア:

[(1, 205623909), (3, 68541303), (9, 22847101), (19, 10822311), (57, 3607437), (59, 3485151), (89, 2310381), (171, 1202479), (177, 1161717), (229, 897921), (267, 770127), (531, 387239), (687, 299307), (801, 256709), (1121, 183429), (1691, 121599), (2061, 99769), (3363, 61143), (4351, 47259), (5073, 40533), (5251, 39159), (10089, 20381), (13053, 15753), (13511, 15219)]