65966691

素因数分解:

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

素因数の和:328

約数の個数: 48

約数和(自身を含む): 108345600

約数和(自身を除く): 42378909

約数列:

[1, 3, 7, 21, 23, 49, 69, 109, 147, 161, 179, 327, 483, 537, 763, 1127, 1253, 2289, 2507, 3381, 3759, 4117, 5341, 7521, 8771, 12351, 16023, 17549, 19511, 26313, 28819, 52647, 58533, 86457, 122843, 136577, 201733, 368529, 409731, 448753, 605199, 956039, 1346259, 2868117, 3141271, 9423813, 21988897, 65966691]

約数ペア:

[(1, 65966691), (3, 21988897), (7, 9423813), (21, 3141271), (23, 2868117), (49, 1346259), (69, 956039), (109, 605199), (147, 448753), (161, 409731), (179, 368529), (327, 201733), (483, 136577), (537, 122843), (763, 86457), (1127, 58533), (1253, 52647), (2289, 28819), (2507, 26313), (3381, 19511), (3759, 17549), (4117, 16023), (5341, 12351), (7521, 8771)]