81282285

素因数分解:

$3^5\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{503}}^1$

素因数の和:549

約数の個数: 96

約数和(自身を含む): 176117760

約数和(自身を除く): 94835475

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 27, 35, 45, 57, 63, 81, 95, 105, 133, 135, 171, 189, 243, 285, 315, 399, 405, 503, 513, 567, 665, 855, 945, 1197, 1215, 1509, 1539, 1701, 1995, 2515, 2565, 2835, 3521, 3591, 4527, 4617, 5985, 7545, 7695, 8505, 9557, 10563, 10773, 13581, 17605, 17955, 22635, 23085, 28671, 31689, 32319, 40743, 47785, 52815, 53865, 66899, 67905, 86013, 95067, 122229, 143355, 158445, 161595, 200697, 203715, 258039, 285201, 334495, 430065, 475335, 602091, 611145, 774117, 855603, 1003485, 1290195, 1426005, 1806273, 2322351, 3010455, 3870585, 4278015, 5418819, 9031365, 11611755, 16256457, 27094095, 81282285]

約数ペア:

[(1, 81282285), (3, 27094095), (5, 16256457), (7, 11611755), (9, 9031365), (15, 5418819), (19, 4278015), (21, 3870585), (27, 3010455), (35, 2322351), (45, 1806273), (57, 1426005), (63, 1290195), (81, 1003485), (95, 855603), (105, 774117), (133, 611145), (135, 602091), (171, 475335), (189, 430065), (243, 334495), (285, 285201), (315, 258039), (399, 203715), (405, 200697), (503, 161595), (513, 158445), (567, 143355), (665, 122229), (855, 95067), (945, 86013), (1197, 67905), (1215, 66899), (1509, 53865), (1539, 52815), (1701, 47785), (1995, 40743), (2515, 32319), (2565, 31689), (2835, 28671), (3521, 23085), (3591, 22635), (4527, 17955), (4617, 17605), (5985, 13581), (7545, 10773), (7695, 10563), (8505, 9557)]