197900073

素因数分解:

$3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{179}}^1$

素因数の和:331

約数の個数: 72

約数和(自身を含む): 352123200

約数和(自身を除く): 154223127

約数列:

[1, 3, 7, 9, 21, 23, 49, 63, 69, 109, 147, 161, 179, 207, 327, 441, 483, 537, 763, 981, 1127, 1253, 1449, 1611, 2289, 2507, 3381, 3759, 4117, 5341, 6867, 7521, 8771, 10143, 11277, 12351, 16023, 17549, 19511, 22563, 26313, 28819, 37053, 48069, 52647, 58533, 78939, 86457, 122843, 136577, 157941, 175599, 201733, 259371, 368529, 409731, 448753, 605199, 956039, 1105587, 1229193, 1346259, 1815597, 2868117, 3141271, 4038777, 8604351, 9423813, 21988897, 28271439, 65966691, 197900073]

約数ペア:

[(1, 197900073), (3, 65966691), (7, 28271439), (9, 21988897), (21, 9423813), (23, 8604351), (49, 4038777), (63, 3141271), (69, 2868117), (109, 1815597), (147, 1346259), (161, 1229193), (179, 1105587), (207, 956039), (327, 605199), (441, 448753), (483, 409731), (537, 368529), (763, 259371), (981, 201733), (1127, 175599), (1253, 157941), (1449, 136577), (1611, 122843), (2289, 86457), (2507, 78939), (3381, 58533), (3759, 52647), (4117, 48069), (5341, 37053), (6867, 28819), (7521, 26313), (8771, 22563), (10143, 19511), (11277, 17549), (12351, 16023)]