194637681

素因数分解:

$3^3\times 7^1\times {\mathrm{137}}^1\times {\mathrm{7517}}^1$

素因数の和:7670

約数の個数: 32

約数和(自身を含む): 331994880

約数和(自身を除く): 137357199

約数列:

[1, 3, 7, 9, 21, 27, 63, 137, 189, 411, 959, 1233, 2877, 3699, 7517, 8631, 22551, 25893, 52619, 67653, 157857, 202959, 473571, 1029829, 1420713, 3089487, 7208803, 9268461, 21626409, 27805383, 64879227, 194637681]

約数ペア:

[(1, 194637681), (3, 64879227), (7, 27805383), (9, 21626409), (21, 9268461), (27, 7208803), (63, 3089487), (137, 1420713), (189, 1029829), (411, 473571), (959, 202959), (1233, 157857), (2877, 67653), (3699, 52619), (7517, 25893), (8631, 22551)]