78895575

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{251}}^1$

素因数の和:405

約数の個数: 72

約数和(自身を含む): 155990016

約数和(自身を除く): 77094441

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 127, 165, 225, 251, 275, 381, 495, 635, 753, 825, 1143, 1255, 1397, 1905, 2259, 2475, 2761, 3175, 3765, 4191, 5715, 6275, 6985, 8283, 9525, 11295, 12573, 13805, 18825, 20955, 24849, 28575, 31877, 34925, 41415, 56475, 62865, 69025, 95631, 104775, 124245, 159385, 207075, 286893, 314325, 350647, 478155, 621225, 796925, 1051941, 1434465, 1753235, 2390775, 3155823, 5259705, 7172325, 8766175, 15779115, 26298525, 78895575]

約数ペア:

[(1, 78895575), (3, 26298525), (5, 15779115), (9, 8766175), (11, 7172325), (15, 5259705), (25, 3155823), (33, 2390775), (45, 1753235), (55, 1434465), (75, 1051941), (99, 796925), (127, 621225), (165, 478155), (225, 350647), (251, 314325), (275, 286893), (381, 207075), (495, 159385), (635, 124245), (753, 104775), (825, 95631), (1143, 69025), (1255, 62865), (1397, 56475), (1905, 41415), (2259, 34925), (2475, 31877), (2761, 28575), (3175, 24849), (3765, 20955), (4191, 18825), (5715, 13805), (6275, 12573), (6985, 11295), (8283, 9525)]