72789129

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{16273}}^1$

素因数の和:16357

約数の個数: 24

約数和(自身を含む): 121859712

約数和(自身を除く): 49070583

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 16273, 48819, 113911, 146457, 341733, 1025199, 1155383, 3466149, 8087681, 10398447, 24263043, 72789129]

約数ペア:

[(1, 72789129), (3, 24263043), (7, 10398447), (9, 8087681), (21, 3466149), (63, 1155383), (71, 1025199), (213, 341733), (497, 146457), (639, 113911), (1491, 48819), (4473, 16273)]