213284745

素因数分解:

$3^5\times 5^1\times {\mathrm{175543}}^1$

素因数の和:175563

約数の個数: 24

約数和(自身を含む): 383388096

約数和(自身を除く): 170103351

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 175543, 526629, 877715, 1579887, 2633145, 4739661, 7899435, 14218983, 23698305, 42656949, 71094915, 213284745]

約数ペア:

[(1, 213284745), (3, 71094915), (5, 42656949), (9, 23698305), (15, 14218983), (27, 7899435), (45, 4739661), (81, 2633145), (135, 1579887), (243, 877715), (405, 526629), (1215, 175543)]