51787695

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{4723}}^1$

素因数の和:4791

約数の個数: 32

約数和(自身を含む): 89793792

約数和(自身を除く): 38006097

約数列:

[1, 3, 5, 15, 17, 43, 51, 85, 129, 215, 255, 645, 731, 2193, 3655, 4723, 10965, 14169, 23615, 70845, 80291, 203089, 240873, 401455, 609267, 1015445, 1204365, 3046335, 3452513, 10357539, 17262565, 51787695]

約数ペア:

[(1, 51787695), (3, 17262565), (5, 10357539), (15, 3452513), (17, 3046335), (43, 1204365), (51, 1015445), (85, 609267), (129, 401455), (215, 240873), (255, 203089), (645, 80291), (731, 70845), (2193, 23615), (3655, 14169), (4723, 10965)]