16531305

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:194

約数の個数: 64

約数和(自身を含む): 32140800

約数和(自身を除く): 15609495

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 61, 87, 89, 105, 145, 183, 203, 267, 305, 427, 435, 445, 609, 623, 915, 1015, 1281, 1335, 1769, 1869, 2135, 2581, 3045, 3115, 5307, 5429, 6405, 7743, 8845, 9345, 12383, 12905, 16287, 18067, 26535, 27145, 37149, 38003, 38715, 54201, 61915, 81435, 90335, 114009, 157441, 185745, 190015, 271005, 472323, 570045, 787205, 1102087, 2361615, 3306261, 5510435, 16531305]

約数ペア:

[(1, 16531305), (3, 5510435), (5, 3306261), (7, 2361615), (15, 1102087), (21, 787205), (29, 570045), (35, 472323), (61, 271005), (87, 190015), (89, 185745), (105, 157441), (145, 114009), (183, 90335), (203, 81435), (267, 61915), (305, 54201), (427, 38715), (435, 38003), (445, 37149), (609, 27145), (623, 26535), (915, 18067), (1015, 16287), (1281, 12905), (1335, 12383), (1769, 9345), (1869, 8845), (2135, 7743), (2581, 6405), (3045, 5429), (3115, 5307)]