397743318

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{1052231}}^1$

素因数の和:1052249

約数の個数: 32

約数和(自身を含む): 1010142720

約数和(自身を除く): 612399402

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 1052231, 2104462, 3156693, 6313386, 7365617, 9470079, 14731234, 18940158, 22096851, 28410237, 44193702, 56820474, 66290553, 132581106, 198871659, 397743318]

約数ペア:

[(1, 397743318), (2, 198871659), (3, 132581106), (6, 66290553), (7, 56820474), (9, 44193702), (14, 28410237), (18, 22096851), (21, 18940158), (27, 14731234), (42, 9470079), (54, 7365617), (63, 6313386), (126, 3156693), (189, 2104462), (378, 1052231)]