219793497

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1009}}^1$

素因数の和:1094

約数の個数: 64

約数和(自身を含む): 390942720

約数和(自身を除く): 171149223

約数列:

[1, 3, 7, 11, 21, 23, 33, 41, 69, 77, 123, 161, 231, 253, 287, 451, 483, 759, 861, 943, 1009, 1353, 1771, 2829, 3027, 3157, 5313, 6601, 7063, 9471, 10373, 11099, 19803, 21189, 23207, 31119, 33297, 41369, 69621, 72611, 77693, 124107, 162449, 217833, 233079, 255277, 289583, 455059, 487347, 765831, 868749, 951487, 1365177, 1786939, 2854461, 3185413, 5360817, 6660409, 9556239, 10466357, 19981227, 31399071, 73264499, 219793497]

約数ペア:

[(1, 219793497), (3, 73264499), (7, 31399071), (11, 19981227), (21, 10466357), (23, 9556239), (33, 6660409), (41, 5360817), (69, 3185413), (77, 2854461), (123, 1786939), (161, 1365177), (231, 951487), (253, 868749), (287, 765831), (451, 487347), (483, 455059), (759, 289583), (861, 255277), (943, 233079), (1009, 217833), (1353, 162449), (1771, 124107), (2829, 77693), (3027, 72611), (3157, 69621), (5313, 41369), (6601, 33297), (7063, 31119), (9471, 23207), (10373, 21189), (11099, 19803)]