642205575

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{313}}^1\times {\mathrm{829}}^1$

素因数の和:1169

約数の個数: 72

約数和(自身を含む): 1260358320

約数和(自身を除く): 618152745

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 165, 225, 275, 313, 495, 825, 829, 939, 1565, 2475, 2487, 2817, 3443, 4145, 4695, 7461, 7825, 9119, 10329, 12435, 14085, 17215, 20725, 23475, 27357, 30987, 37305, 45595, 51645, 62175, 70425, 82071, 86075, 136785, 154935, 186525, 227975, 258225, 259477, 410355, 683925, 774675, 778431, 1297385, 2051775, 2335293, 2854247, 3892155, 6486925, 8562741, 11676465, 14271235, 19460775, 25688223, 42813705, 58382325, 71356175, 128441115, 214068525, 642205575]

約数ペア:

[(1, 642205575), (3, 214068525), (5, 128441115), (9, 71356175), (11, 58382325), (15, 42813705), (25, 25688223), (33, 19460775), (45, 14271235), (55, 11676465), (75, 8562741), (99, 6486925), (165, 3892155), (225, 2854247), (275, 2335293), (313, 2051775), (495, 1297385), (825, 778431), (829, 774675), (939, 683925), (1565, 410355), (2475, 259477), (2487, 258225), (2817, 227975), (3443, 186525), (4145, 154935), (4695, 136785), (7461, 86075), (7825, 82071), (9119, 70425), (10329, 62175), (12435, 51645), (14085, 45595), (17215, 37305), (20725, 30987), (23475, 27357)]