11867947

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{601}}^1$

素因数の和:659

約数の個数: 24

約数和(自身を含む): 15372672

約数和(自身を除く): 3504725

約数列:

[1, 7, 13, 31, 49, 91, 217, 403, 601, 637, 1519, 2821, 4207, 7813, 18631, 19747, 29449, 54691, 130417, 242203, 382837, 912919, 1695421, 11867947]

約数ペア:

[(1, 11867947), (7, 1695421), (13, 912919), (31, 382837), (49, 242203), (91, 130417), (217, 54691), (403, 29449), (601, 19747), (637, 18631), (1519, 7813), (2821, 4207)]