201769821

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{1187}}^1$

素因数の和:1322

約数の個数: 48

約数和(自身を含む): 340262208

約数和(自身を除く): 138492387

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 101, 153, 187, 303, 561, 909, 1111, 1187, 1683, 1717, 3333, 3561, 5151, 9999, 10683, 13057, 15453, 18887, 20179, 39171, 56661, 60537, 117513, 119887, 169983, 181611, 221969, 359661, 665907, 1078983, 1318757, 1997721, 2038079, 3956271, 6114237, 11868813, 18342711, 22418869, 67256607, 201769821]

約数ペア:

[(1, 201769821), (3, 67256607), (9, 22418869), (11, 18342711), (17, 11868813), (33, 6114237), (51, 3956271), (99, 2038079), (101, 1997721), (153, 1318757), (187, 1078983), (303, 665907), (561, 359661), (909, 221969), (1111, 181611), (1187, 169983), (1683, 119887), (1717, 117513), (3333, 60537), (3561, 56661), (5151, 39171), (9999, 20179), (10683, 18887), (13057, 15453)]