279957975

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{5563}}^1$

素因数の和:5648

約数の個数: 48

約数和(自身を含む): 513312384

約数和(自身を除く): 233354409

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 61, 75, 165, 183, 275, 305, 671, 825, 915, 1525, 2013, 3355, 4575, 5563, 10065, 16689, 16775, 27815, 50325, 61193, 83445, 139075, 183579, 305965, 339343, 417225, 917895, 1018029, 1529825, 1696715, 3732773, 4589475, 5090145, 8483575, 11198319, 18663865, 25450725, 55991595, 93319325, 279957975]

約数ペア:

[(1, 279957975), (3, 93319325), (5, 55991595), (11, 25450725), (15, 18663865), (25, 11198319), (33, 8483575), (55, 5090145), (61, 4589475), (75, 3732773), (165, 1696715), (183, 1529825), (275, 1018029), (305, 917895), (671, 417225), (825, 339343), (915, 305965), (1525, 183579), (2013, 139075), (3355, 83445), (4575, 61193), (5563, 50325), (10065, 27815), (16689, 16775)]