212375142

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{561839}}^1$

素因数の和:561857

約数の個数: 32

約数和(自身を含む): 539366400

約数和(自身を除く): 326991258

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 561839, 1123678, 1685517, 3371034, 3932873, 5056551, 7865746, 10113102, 11798619, 15169653, 23597238, 30339306, 35395857, 70791714, 106187571, 212375142]

約数ペア:

[(1, 212375142), (2, 106187571), (3, 70791714), (6, 35395857), (7, 30339306), (9, 23597238), (14, 15169653), (18, 11798619), (21, 10113102), (27, 7865746), (42, 5056551), (54, 3932873), (63, 3371034), (126, 1685517), (189, 1123678), (378, 561839)]