28799505

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{353}}^1$

素因数の和:415

約数の個数: 72

約数和(自身を含む): 59807592

約数和(自身を除く): 31008087

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 37, 45, 49, 63, 105, 111, 147, 185, 245, 259, 315, 333, 353, 441, 555, 735, 777, 1059, 1295, 1665, 1765, 1813, 2205, 2331, 2471, 3177, 3885, 5295, 5439, 7413, 9065, 11655, 12355, 13061, 15885, 16317, 17297, 22239, 27195, 37065, 39183, 51891, 65305, 81585, 86485, 91427, 111195, 117549, 155673, 195915, 259455, 274281, 457135, 587745, 639989, 778365, 822843, 1371405, 1919967, 3199945, 4114215, 5759901, 9599835, 28799505]

約数ペア:

[(1, 28799505), (3, 9599835), (5, 5759901), (7, 4114215), (9, 3199945), (15, 1919967), (21, 1371405), (35, 822843), (37, 778365), (45, 639989), (49, 587745), (63, 457135), (105, 274281), (111, 259455), (147, 195915), (185, 155673), (245, 117549), (259, 111195), (315, 91427), (333, 86485), (353, 81585), (441, 65305), (555, 51891), (735, 39183), (777, 37065), (1059, 27195), (1295, 22239), (1665, 17297), (1765, 16317), (1813, 15885), (2205, 13061), (2331, 12355), (2471, 11655), (3177, 9065), (3885, 7413), (5295, 5439)]