23897421

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:194

約数の個数: 48

約数和(自身を含む): 38688000

約数和(自身を除く): 14790579

約数列:

[1, 3, 9, 19, 29, 57, 61, 79, 87, 171, 183, 237, 261, 549, 551, 711, 1159, 1501, 1653, 1769, 2291, 3477, 4503, 4819, 4959, 5307, 6873, 10431, 13509, 14457, 15921, 20619, 33611, 43371, 43529, 91561, 100833, 130587, 139751, 274683, 302499, 391761, 419253, 824049, 1257759, 2655269, 7965807, 23897421]

約数ペア:

[(1, 23897421), (3, 7965807), (9, 2655269), (19, 1257759), (29, 824049), (57, 419253), (61, 391761), (79, 302499), (87, 274683), (171, 139751), (183, 130587), (237, 100833), (261, 91561), (549, 43529), (551, 43371), (711, 33611), (1159, 20619), (1501, 15921), (1653, 14457), (1769, 13509), (2291, 10431), (3477, 6873), (4503, 5307), (4819, 4959)]