40281213

素因数分解:

$3^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{12703}}^1$

素因数の和:12864

約数の個数: 16

約数和(自身を含む): 61792256

約数和(自身を除く): 21511043

約数列:

[1, 3, 7, 21, 151, 453, 1057, 3171, 12703, 38109, 88921, 266763, 1918153, 5754459, 13427071, 40281213]

約数ペア:

[(1, 40281213), (3, 13427071), (7, 5754459), (21, 1918153), (151, 266763), (453, 88921), (1057, 38109), (3171, 12703)]