72744399

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:242

約数の個数: 80

約数和(自身を含む): 136604160

約数和(自身を除く): 63859761

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 71, 81, 91, 117, 139, 189, 213, 273, 351, 417, 497, 567, 639, 819, 923, 973, 1053, 1251, 1491, 1807, 1917, 2457, 2769, 2919, 3753, 4473, 5421, 5751, 6461, 7371, 8307, 8757, 9869, 11259, 12649, 13419, 16263, 19383, 24921, 26271, 29607, 37947, 40257, 48789, 58149, 69083, 74763, 78813, 88821, 113841, 128297, 146367, 174447, 207249, 266463, 341523, 384891, 523341, 621747, 799389, 898079, 1024569, 1154673, 1865241, 2694237, 3464019, 5595723, 8082711, 10392057, 24248133, 72744399]

約数ペア:

[(1, 72744399), (3, 24248133), (7, 10392057), (9, 8082711), (13, 5595723), (21, 3464019), (27, 2694237), (39, 1865241), (63, 1154673), (71, 1024569), (81, 898079), (91, 799389), (117, 621747), (139, 523341), (189, 384891), (213, 341523), (273, 266463), (351, 207249), (417, 174447), (497, 146367), (567, 128297), (639, 113841), (819, 88821), (923, 78813), (973, 74763), (1053, 69083), (1251, 58149), (1491, 48789), (1807, 40257), (1917, 37947), (2457, 29607), (2769, 26271), (2919, 24921), (3753, 19383), (4473, 16263), (5421, 13419), (5751, 12649), (6461, 11259), (7371, 9869), (8307, 8757)]