21796765575

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{6581}}^1$

素因数の和:6729

約数の個数: 96

約数和(自身を含む): 40220759040

約数和(自身を除く): 18423993465

約数列:

[1, 3, 5, 13, 15, 25, 39, 43, 65, 75, 79, 129, 195, 215, 237, 325, 395, 559, 645, 975, 1027, 1075, 1185, 1677, 1975, 2795, 3081, 3225, 3397, 5135, 5925, 6581, 8385, 10191, 13975, 15405, 16985, 19743, 25675, 32905, 41925, 44161, 50955, 77025, 84925, 85553, 98715, 132483, 164525, 220805, 254775, 256659, 282983, 427765, 493575, 519899, 662415, 848949, 1104025, 1283295, 1414915, 1559697, 2138825, 2599495, 3312075, 3678779, 4244745, 6416475, 6758687, 7074575, 7798485, 11036337, 12997475, 18393895, 20276061, 21223725, 22355657, 33793435, 38992425, 55181685, 67066971, 91969475, 101380305, 111778285, 168967175, 275908425, 290623541, 335334855, 506901525, 558891425, 871870623, 1453117705, 1676674275, 4359353115, 7265588525, 21796765575]

約数ペア:

[(1, 21796765575), (3, 7265588525), (5, 4359353115), (13, 1676674275), (15, 1453117705), (25, 871870623), (39, 558891425), (43, 506901525), (65, 335334855), (75, 290623541), (79, 275908425), (129, 168967175), (195, 111778285), (215, 101380305), (237, 91969475), (325, 67066971), (395, 55181685), (559, 38992425), (645, 33793435), (975, 22355657), (1027, 21223725), (1075, 20276061), (1185, 18393895), (1677, 12997475), (1975, 11036337), (2795, 7798485), (3081, 7074575), (3225, 6758687), (3397, 6416475), (5135, 4244745), (5925, 3678779), (6581, 3312075), (8385, 2599495), (10191, 2138825), (13975, 1559697), (15405, 1414915), (16985, 1283295), (19743, 1104025), (25675, 848949), (32905, 662415), (41925, 519899), (44161, 493575), (50955, 427765), (77025, 282983), (84925, 256659), (85553, 254775), (98715, 220805), (132483, 164525)]