28170285

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{571}}^1$

素因数の和:626

約数の個数: 64

約数和(自身を含む): 55351296

約数和(自身を除く): 27181011

約数列:

[1, 3, 5, 11, 13, 15, 23, 33, 39, 55, 65, 69, 115, 143, 165, 195, 253, 299, 345, 429, 571, 715, 759, 897, 1265, 1495, 1713, 2145, 2855, 3289, 3795, 4485, 6281, 7423, 8565, 9867, 13133, 16445, 18843, 22269, 31405, 37115, 39399, 49335, 65665, 81653, 94215, 111345, 144463, 170729, 196995, 244959, 408265, 433389, 512187, 722315, 853645, 1224795, 1878019, 2166945, 2560935, 5634057, 9390095, 28170285]

約数ペア:

[(1, 28170285), (3, 9390095), (5, 5634057), (11, 2560935), (13, 2166945), (15, 1878019), (23, 1224795), (33, 853645), (39, 722315), (55, 512187), (65, 433389), (69, 408265), (115, 244959), (143, 196995), (165, 170729), (195, 144463), (253, 111345), (299, 94215), (345, 81653), (429, 65665), (571, 49335), (715, 39399), (759, 37115), (897, 31405), (1265, 22269), (1495, 18843), (1713, 16445), (2145, 13133), (2855, 9867), (3289, 8565), (3795, 7423), (4485, 6281)]