1947645

素因数分解:

$3^5\times 5^1\times 7^1\times {\mathrm{229}}^1$

素因数の和:256

約数の個数: 48

約数和(自身を含む): 4018560

約数和(自身を除く): 2070915

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 229, 243, 315, 405, 567, 687, 945, 1145, 1215, 1603, 1701, 2061, 2835, 3435, 4809, 6183, 8015, 8505, 10305, 14427, 18549, 24045, 30915, 43281, 55647, 72135, 92745, 129843, 216405, 278235, 389529, 649215, 1947645]

約数ペア:

[(1, 1947645), (3, 649215), (5, 389529), (7, 278235), (9, 216405), (15, 129843), (21, 92745), (27, 72135), (35, 55647), (45, 43281), (63, 30915), (81, 24045), (105, 18549), (135, 14427), (189, 10305), (229, 8505), (243, 8015), (315, 6183), (405, 4809), (567, 3435), (687, 2835), (945, 2061), (1145, 1701), (1215, 1603)]