191931315

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{4463}}^1$

素因数の和:4579

約数の個数: 32

約数和(自身を含む): 318836736

約数和(自身を除く): 126905421

約数列:

[1, 3, 5, 15, 47, 61, 141, 183, 235, 305, 705, 915, 2867, 4463, 8601, 13389, 14335, 22315, 43005, 66945, 209761, 272243, 629283, 816729, 1048805, 1361215, 3146415, 4083645, 12795421, 38386263, 63977105, 191931315]

約数ペア:

[(1, 191931315), (3, 63977105), (5, 38386263), (15, 12795421), (47, 4083645), (61, 3146415), (141, 1361215), (183, 1048805), (235, 816729), (305, 629283), (705, 272243), (915, 209761), (2867, 66945), (4463, 43005), (8601, 22315), (13389, 14335)]