1901476899

素因数分解:

$3^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{509}}^1$

素因数の和:769

約数の個数: 72

約数和(自身を含む): 3292351920

約数和(自身を除く): 1390875021

約数列:

[1, 3, 7, 9, 21, 43, 49, 63, 129, 147, 197, 301, 387, 441, 509, 591, 903, 1379, 1527, 1773, 2107, 2709, 3563, 4137, 4581, 6321, 8471, 9653, 10689, 12411, 18963, 21887, 24941, 25413, 28959, 32067, 59297, 65661, 74823, 76239, 86877, 100273, 153209, 177891, 196983, 224469, 300819, 415079, 459627, 533673, 701911, 902457, 1072463, 1245237, 1378881, 2105733, 3217389, 3735711, 4311739, 4913377, 6317199, 9652167, 12935217, 14740131, 30182173, 38805651, 44220393, 90546519, 211275211, 271639557, 633825633, 1901476899]

約数ペア:

[(1, 1901476899), (3, 633825633), (7, 271639557), (9, 211275211), (21, 90546519), (43, 44220393), (49, 38805651), (63, 30182173), (129, 14740131), (147, 12935217), (197, 9652167), (301, 6317199), (387, 4913377), (441, 4311739), (509, 3735711), (591, 3217389), (903, 2105733), (1379, 1378881), (1527, 1245237), (1773, 1072463), (2107, 902457), (2709, 701911), (3563, 533673), (4137, 459627), (4581, 415079), (6321, 300819), (8471, 224469), (9653, 196983), (10689, 177891), (12411, 153209), (18963, 100273), (21887, 86877), (24941, 76239), (25413, 74823), (28959, 65661), (32067, 59297)]