237796923

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{431}}^1$

素因数の和:544

約数の個数: 64

約数和(自身を含む): 408748032

約数和(自身を除く): 170951109

約数列:

[1, 3, 7, 13, 21, 39, 43, 47, 91, 129, 141, 273, 301, 329, 431, 559, 611, 903, 987, 1293, 1677, 1833, 2021, 3017, 3913, 4277, 5603, 6063, 9051, 11739, 12831, 14147, 16809, 18533, 20257, 26273, 39221, 42441, 55599, 60771, 78819, 117663, 129731, 141799, 183911, 240929, 263341, 389193, 425397, 551733, 722787, 790023, 871051, 1686503, 1843387, 2613153, 5059509, 5530161, 6097357, 11323663, 18292071, 33970989, 79265641, 237796923]

約数ペア:

[(1, 237796923), (3, 79265641), (7, 33970989), (13, 18292071), (21, 11323663), (39, 6097357), (43, 5530161), (47, 5059509), (91, 2613153), (129, 1843387), (141, 1686503), (273, 871051), (301, 790023), (329, 722787), (431, 551733), (559, 425397), (611, 389193), (903, 263341), (987, 240929), (1293, 183911), (1677, 141799), (1833, 129731), (2021, 117663), (3017, 78819), (3913, 60771), (4277, 55599), (5603, 42441), (6063, 39221), (9051, 26273), (11739, 20257), (12831, 18533), (14147, 16809)]