61986309

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:218

約数の個数: 64

約数和(自身を含む): 107993088

約数和(自身を除く): 46006779

約数列:

[1, 3, 7, 11, 21, 33, 53, 61, 77, 83, 159, 183, 231, 249, 371, 427, 581, 583, 671, 913, 1113, 1281, 1743, 1749, 2013, 2739, 3233, 4081, 4399, 4697, 5063, 6391, 9699, 12243, 13197, 14091, 15189, 19173, 22631, 30793, 35441, 35563, 48389, 55693, 67893, 92379, 106323, 106689, 145167, 167079, 248941, 268339, 338723, 389851, 746823, 805017, 1016169, 1169553, 1878373, 2951729, 5635119, 8855187, 20662103, 61986309]

約数ペア:

[(1, 61986309), (3, 20662103), (7, 8855187), (11, 5635119), (21, 2951729), (33, 1878373), (53, 1169553), (61, 1016169), (77, 805017), (83, 746823), (159, 389851), (183, 338723), (231, 268339), (249, 248941), (371, 167079), (427, 145167), (581, 106689), (583, 106323), (671, 92379), (913, 67893), (1113, 55693), (1281, 48389), (1743, 35563), (1749, 35441), (2013, 30793), (2739, 22631), (3233, 19173), (4081, 15189), (4399, 14091), (4697, 13197), (5063, 12243), (6391, 9699)]