420090867

素因数分解:

$3^5\times 7^2\times {\mathrm{35281}}^1$

素因数の和:35310

約数の個数: 36

約数和(自身を含む): 732030936

約数和(自身を除く): 311940069

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 243, 441, 567, 1323, 1701, 3969, 11907, 35281, 105843, 246967, 317529, 740901, 952587, 1728769, 2222703, 2857761, 5186307, 6668109, 8573283, 15558921, 20004327, 46676763, 60012981, 140030289, 420090867]

約数ペア:

[(1, 420090867), (3, 140030289), (7, 60012981), (9, 46676763), (21, 20004327), (27, 15558921), (49, 8573283), (63, 6668109), (81, 5186307), (147, 2857761), (189, 2222703), (243, 1728769), (441, 952587), (567, 740901), (1323, 317529), (1701, 246967), (3969, 105843), (11907, 35281)]