38519145

素因数分解:

$3^5\times 5^1\times 7^2\times {\mathrm{647}}^1$

素因数の和:681

約数の個数: 72

約数和(自身を含む): 80668224

約数和(自身を除く): 42149079

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 81, 105, 135, 147, 189, 243, 245, 315, 405, 441, 567, 647, 735, 945, 1215, 1323, 1701, 1941, 2205, 2835, 3235, 3969, 4529, 5823, 6615, 8505, 9705, 11907, 13587, 17469, 19845, 22645, 29115, 31703, 40761, 52407, 59535, 67935, 87345, 95109, 122283, 157221, 158515, 203805, 262035, 285327, 366849, 475545, 611415, 786105, 855981, 1100547, 1426635, 1834245, 2567943, 4279905, 5502735, 7703829, 12839715, 38519145]

約数ペア:

[(1, 38519145), (3, 12839715), (5, 7703829), (7, 5502735), (9, 4279905), (15, 2567943), (21, 1834245), (27, 1426635), (35, 1100547), (45, 855981), (49, 786105), (63, 611415), (81, 475545), (105, 366849), (135, 285327), (147, 262035), (189, 203805), (243, 158515), (245, 157221), (315, 122283), (405, 95109), (441, 87345), (567, 67935), (647, 59535), (735, 52407), (945, 40761), (1215, 31703), (1323, 29115), (1701, 22645), (1941, 19845), (2205, 17469), (2835, 13587), (3235, 11907), (3969, 9705), (4529, 8505), (5823, 6615)]