23967909

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1$

素因数の和:199

約数の個数: 72

約数和(自身を含む): 44815680

約数和(自身を除く): 20847771

約数列:

[1, 3, 7, 9, 17, 21, 23, 49, 51, 63, 69, 119, 139, 147, 153, 161, 207, 357, 391, 417, 441, 483, 833, 973, 1071, 1127, 1173, 1251, 1449, 2363, 2499, 2737, 2919, 3197, 3381, 3519, 6811, 7089, 7497, 8211, 8757, 9591, 10143, 16541, 19159, 20433, 21267, 22379, 24633, 28773, 49623, 54349, 57477, 61299, 67137, 115787, 148869, 156653, 163047, 172431, 201411, 347361, 380443, 469959, 489141, 1042083, 1141329, 1409877, 2663101, 3423987, 7989303, 23967909]

約数ペア:

[(1, 23967909), (3, 7989303), (7, 3423987), (9, 2663101), (17, 1409877), (21, 1141329), (23, 1042083), (49, 489141), (51, 469959), (63, 380443), (69, 347361), (119, 201411), (139, 172431), (147, 163047), (153, 156653), (161, 148869), (207, 115787), (357, 67137), (391, 61299), (417, 57477), (441, 54349), (483, 49623), (833, 28773), (973, 24633), (1071, 22379), (1127, 21267), (1173, 20433), (1251, 19159), (1449, 16541), (2363, 10143), (2499, 9591), (2737, 8757), (2919, 8211), (3197, 7497), (3381, 7089), (3519, 6811)]