223867917

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2297}}^1$

素因数の和:2347

約数の個数: 72

約数和(自身を含む): 429110136

約数和(自身を除く): 205242219

約数列:

[1, 3, 7, 9, 13, 17, 21, 39, 49, 51, 63, 91, 117, 119, 147, 153, 221, 273, 357, 441, 637, 663, 819, 833, 1071, 1547, 1911, 1989, 2297, 2499, 4641, 5733, 6891, 7497, 10829, 13923, 16079, 20673, 29861, 32487, 39049, 48237, 89583, 97461, 112553, 117147, 144711, 209027, 268749, 273343, 337659, 351441, 507637, 627081, 820029, 1012977, 1463189, 1522911, 1881243, 1913401, 2460087, 3553459, 4389567, 4568733, 5740203, 10660377, 13168701, 17220609, 24874213, 31981131, 74622639, 223867917]

約数ペア:

[(1, 223867917), (3, 74622639), (7, 31981131), (9, 24874213), (13, 17220609), (17, 13168701), (21, 10660377), (39, 5740203), (49, 4568733), (51, 4389567), (63, 3553459), (91, 2460087), (117, 1913401), (119, 1881243), (147, 1522911), (153, 1463189), (221, 1012977), (273, 820029), (357, 627081), (441, 507637), (637, 351441), (663, 337659), (819, 273343), (833, 268749), (1071, 209027), (1547, 144711), (1911, 117147), (1989, 112553), (2297, 97461), (2499, 89583), (4641, 48237), (5733, 39049), (6891, 32487), (7497, 29861), (10829, 20673), (13923, 16079)]