279682641

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1151}}^1$

素因数の和:1219

約数の個数: 72

約数和(自身を含む): 512179200

約数和(自身を除く): 232496559

約数列:

[1, 3, 7, 9, 19, 21, 29, 49, 57, 63, 87, 133, 147, 171, 203, 261, 399, 441, 551, 609, 931, 1151, 1197, 1421, 1653, 1827, 2793, 3453, 3857, 4263, 4959, 8057, 8379, 10359, 11571, 12789, 21869, 24171, 26999, 33379, 34713, 56399, 65607, 72513, 80997, 100137, 153083, 169197, 196821, 233653, 242991, 300411, 459249, 507591, 634201, 700959, 1071581, 1377747, 1635571, 1902603, 2102877, 3214743, 4439407, 4906713, 5707809, 9644229, 13318221, 14720139, 31075849, 39954663, 93227547, 279682641]

約数ペア:

[(1, 279682641), (3, 93227547), (7, 39954663), (9, 31075849), (19, 14720139), (21, 13318221), (29, 9644229), (49, 5707809), (57, 4906713), (63, 4439407), (87, 3214743), (133, 2102877), (147, 1902603), (171, 1635571), (203, 1377747), (261, 1071581), (399, 700959), (441, 634201), (551, 507591), (609, 459249), (931, 300411), (1151, 242991), (1197, 233653), (1421, 196821), (1653, 169197), (1827, 153083), (2793, 100137), (3453, 80997), (3857, 72513), (4263, 65607), (4959, 56399), (8057, 34713), (8379, 33379), (10359, 26999), (11571, 24171), (12789, 21869)]