38147991

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1427}}^1$

素因数の和:1523

約数の個数: 32

約数和(自身を含む): 62146560

約数和(自身を除く): 23998569

約数列:

[1, 3, 7, 19, 21, 57, 67, 133, 201, 399, 469, 1273, 1407, 1427, 3819, 4281, 8911, 9989, 26733, 27113, 29967, 81339, 95609, 189791, 286827, 569373, 669263, 1816571, 2007789, 5449713, 12715997, 38147991]

約数ペア:

[(1, 38147991), (3, 12715997), (7, 5449713), (19, 2007789), (21, 1816571), (57, 669263), (67, 569373), (133, 286827), (201, 189791), (399, 95609), (469, 81339), (1273, 29967), (1407, 27113), (1427, 26733), (3819, 9989), (4281, 8911)]