31931295

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{241}}^1$

素因数の和:344

約数の個数: 48

約数和(自身を含む): 57162336

約数和(自身を除く): 25231041

約数列:

[1, 3, 5, 11, 15, 33, 55, 73, 121, 165, 219, 241, 363, 365, 605, 723, 803, 1095, 1205, 1815, 2409, 2651, 3615, 4015, 7953, 8833, 12045, 13255, 17593, 26499, 29161, 39765, 44165, 52779, 87483, 87965, 132495, 145805, 193523, 263895, 437415, 580569, 967615, 2128753, 2902845, 6386259, 10643765, 31931295]

約数ペア:

[(1, 31931295), (3, 10643765), (5, 6386259), (11, 2902845), (15, 2128753), (33, 967615), (55, 580569), (73, 437415), (121, 263895), (165, 193523), (219, 145805), (241, 132495), (363, 87965), (365, 87483), (605, 52779), (723, 44165), (803, 39765), (1095, 29161), (1205, 26499), (1815, 17593), (2409, 13255), (2651, 12045), (3615, 8833), (4015, 7953)]