81910995

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{1721}}^1$

素因数の和:1915

約数の個数: 32

約数和(自身を含む): 138862080

約数和(自身を除く): 56951085

約数列:

[1, 3, 5, 15, 19, 57, 95, 167, 285, 501, 835, 1721, 2505, 3173, 5163, 8605, 9519, 15865, 25815, 32699, 47595, 98097, 163495, 287407, 490485, 862221, 1437035, 4311105, 5460733, 16382199, 27303665, 81910995]

約数ペア:

[(1, 81910995), (3, 27303665), (5, 16382199), (15, 5460733), (19, 4311105), (57, 1437035), (95, 862221), (167, 490485), (285, 287407), (501, 163495), (835, 98097), (1721, 47595), (2505, 32699), (3173, 25815), (5163, 15865), (8605, 9519)]