128781675

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{853}}^1$

素因数の和:941

約数の個数: 72

約数和(自身を含む): 256056528

約数和(自身を除く): 127274853

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 61, 75, 99, 165, 183, 225, 275, 305, 495, 549, 671, 825, 853, 915, 1525, 2013, 2475, 2559, 2745, 3355, 4265, 4575, 6039, 7677, 9383, 10065, 12795, 13725, 16775, 21325, 28149, 30195, 38385, 46915, 50325, 52033, 63975, 84447, 140745, 150975, 156099, 191925, 234575, 260165, 422235, 468297, 572363, 703725, 780495, 1300825, 1717089, 2111175, 2341485, 2861815, 3902475, 5151267, 8585445, 11707425, 14309075, 25756335, 42927225, 128781675]

約数ペア:

[(1, 128781675), (3, 42927225), (5, 25756335), (9, 14309075), (11, 11707425), (15, 8585445), (25, 5151267), (33, 3902475), (45, 2861815), (55, 2341485), (61, 2111175), (75, 1717089), (99, 1300825), (165, 780495), (183, 703725), (225, 572363), (275, 468297), (305, 422235), (495, 260165), (549, 234575), (671, 191925), (825, 156099), (853, 150975), (915, 140745), (1525, 84447), (2013, 63975), (2475, 52033), (2559, 50325), (2745, 46915), (3355, 38385), (4265, 30195), (4575, 28149), (6039, 21325), (7677, 16775), (9383, 13725), (10065, 12795)]