31617156945

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{491}}^1\times {\mathrm{390263}}^1$

素因数の和:390773

約数の個数: 32

約数和(自身を含む): 55298847744

約数和(自身を除く): 23681690799

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 491, 1473, 2455, 5401, 7365, 16203, 27005, 81015, 390263, 1170789, 1951315, 4292893, 5853945, 12878679, 21464465, 64393395, 191619133, 574857399, 958095665, 2107810463, 2874286995, 6323431389, 10539052315, 31617156945]

約数ペア:

[(1, 31617156945), (3, 10539052315), (5, 6323431389), (11, 2874286995), (15, 2107810463), (33, 958095665), (55, 574857399), (165, 191619133), (491, 64393395), (1473, 21464465), (2455, 12878679), (5401, 5853945), (7365, 4292893), (16203, 1951315), (27005, 1170789), (81015, 390263)]