420898155

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{151}}^1\times {\mathrm{643}}^1$

素因数の和:836

約数の個数: 48

約数和(自身を含む): 721238784

約数和(自身を除く): 300340629

約数列:

[1, 3, 5, 15, 17, 51, 85, 151, 255, 289, 453, 643, 755, 867, 1445, 1929, 2265, 2567, 3215, 4335, 7701, 9645, 10931, 12835, 32793, 38505, 43639, 54655, 97093, 130917, 163965, 185827, 218195, 291279, 485465, 557481, 654585, 929135, 1456395, 1650581, 2787405, 4951743, 8252905, 24758715, 28059877, 84179631, 140299385, 420898155]

約数ペア:

[(1, 420898155), (3, 140299385), (5, 84179631), (15, 28059877), (17, 24758715), (51, 8252905), (85, 4951743), (151, 2787405), (255, 1650581), (289, 1456395), (453, 929135), (643, 654585), (755, 557481), (867, 485465), (1445, 291279), (1929, 218195), (2265, 185827), (2567, 163965), (3215, 130917), (4335, 97093), (7701, 54655), (9645, 43639), (10931, 38505), (12835, 32793)]