72191343

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{641}}^1$

素因数の和:855

約数の個数: 32

約数和(自身を含む): 114388992

約数和(自身を除く): 42197649

約数列:

[1, 3, 7, 21, 31, 93, 173, 217, 519, 641, 651, 1211, 1923, 3633, 4487, 5363, 13461, 16089, 19871, 37541, 59613, 110893, 112623, 139097, 332679, 417291, 776251, 2328753, 3437683, 10313049, 24063781, 72191343]

約数ペア:

[(1, 72191343), (3, 24063781), (7, 10313049), (21, 3437683), (31, 2328753), (93, 776251), (173, 417291), (217, 332679), (519, 139097), (641, 112623), (651, 110893), (1211, 59613), (1923, 37541), (3633, 19871), (4487, 16089), (5363, 13461)]