61520151

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:145

約数の個数: 64

約数和(自身を含む): 107937792

約数和(自身を除く): 46417641

約数列:

[1, 3, 7, 11, 21, 31, 33, 71, 77, 93, 121, 213, 217, 231, 341, 363, 497, 651, 781, 847, 1023, 1331, 1491, 2201, 2343, 2387, 2541, 3751, 3993, 5467, 6603, 7161, 8591, 9317, 11253, 15407, 16401, 24211, 25773, 26257, 27951, 41261, 46221, 60137, 72633, 78771, 94501, 123783, 169477, 180411, 266321, 283503, 288827, 508431, 661507, 798963, 866481, 1864247, 1984521, 2929531, 5592741, 8788593, 20506717, 61520151]

約数ペア:

[(1, 61520151), (3, 20506717), (7, 8788593), (11, 5592741), (21, 2929531), (31, 1984521), (33, 1864247), (71, 866481), (77, 798963), (93, 661507), (121, 508431), (213, 288827), (217, 283503), (231, 266321), (341, 180411), (363, 169477), (497, 123783), (651, 94501), (781, 78771), (847, 72633), (1023, 60137), (1331, 46221), (1491, 41261), (2201, 27951), (2343, 26257), (2387, 25773), (2541, 24211), (3751, 16401), (3993, 15407), (5467, 11253), (6603, 9317), (7161, 8591)]