17921969247

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{65648239}}^1$

素因数の和:65648262

約数の個数: 16

約数和(自身を含む): 29410411520

約数和(自身を除く): 11488442273

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 65648239, 196944717, 459537673, 853427107, 1378613019, 2560281321, 5973989749, 17921969247]

約数ペア:

[(1, 17921969247), (3, 5973989749), (7, 2560281321), (13, 1378613019), (21, 853427107), (39, 459537673), (91, 196944717), (273, 65648239)]