210320957

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:210

約数の個数: 64

約数和(自身を含む): 294617088

約数和(自身を除く): 84296131

約数列:

[1, 7, 11, 17, 31, 71, 73, 77, 119, 187, 217, 341, 497, 511, 527, 781, 803, 1207, 1241, 1309, 2201, 2263, 2387, 3689, 5183, 5467, 5621, 5797, 8449, 8687, 13277, 13651, 15407, 15841, 24211, 24893, 36281, 37417, 38471, 40579, 57013, 88111, 92939, 95557, 160673, 169477, 174251, 261919, 269297, 399091, 411587, 423181, 616777, 969221, 1124711, 1767403, 2731441, 2881109, 2962267, 6784547, 12371821, 19120087, 30045851, 210320957]

約数ペア:

[(1, 210320957), (7, 30045851), (11, 19120087), (17, 12371821), (31, 6784547), (71, 2962267), (73, 2881109), (77, 2731441), (119, 1767403), (187, 1124711), (217, 969221), (341, 616777), (497, 423181), (511, 411587), (527, 399091), (781, 269297), (803, 261919), (1207, 174251), (1241, 169477), (1309, 160673), (2201, 95557), (2263, 92939), (2387, 88111), (3689, 57013), (5183, 40579), (5467, 38471), (5621, 37417), (5797, 36281), (8449, 24893), (8687, 24211), (13277, 15841), (13651, 15407)]