28733355

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{157}}^1$

素因数の和:265

約数の個数: 72

約数和(自身を含む): 59007312

約数和(自身を除く): 30273957

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 83, 105, 147, 157, 245, 249, 315, 415, 441, 471, 581, 735, 747, 785, 1099, 1245, 1413, 1743, 2205, 2355, 2905, 3297, 3735, 4067, 5229, 5495, 7065, 7693, 8715, 9891, 12201, 13031, 16485, 20335, 23079, 26145, 36603, 38465, 39093, 49455, 61005, 65155, 69237, 91217, 115395, 117279, 183015, 195465, 273651, 346185, 456085, 586395, 638519, 820953, 1368255, 1915557, 3192595, 4104765, 5746671, 9577785, 28733355]

約数ペア:

[(1, 28733355), (3, 9577785), (5, 5746671), (7, 4104765), (9, 3192595), (15, 1915557), (21, 1368255), (35, 820953), (45, 638519), (49, 586395), (63, 456085), (83, 346185), (105, 273651), (147, 195465), (157, 183015), (245, 117279), (249, 115395), (315, 91217), (415, 69237), (441, 65155), (471, 61005), (581, 49455), (735, 39093), (747, 38465), (785, 36603), (1099, 26145), (1245, 23079), (1413, 20335), (1743, 16485), (2205, 13031), (2355, 12201), (2905, 9891), (3297, 8715), (3735, 7693), (4067, 7065), (5229, 5495)]