21752803395

素因数分解:

$3^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{439}}^1\times {\mathrm{1523}}^1$

素因数の和:2217

約数の個数: 64

約数和(自身を含む): 38946124800

約数和(自身を除く): 17193321405

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 241, 439, 723, 1205, 1317, 1523, 2169, 2195, 3615, 3951, 4569, 6507, 6585, 7615, 10845, 11853, 13707, 19755, 22845, 32535, 41121, 59265, 68535, 105799, 205605, 317397, 367043, 528995, 668597, 952191, 1101129, 1586985, 1835215, 2005791, 2856573, 3303387, 3342985, 4760955, 5505645, 6017373, 9910161, 10028955, 14282865, 16516935, 18052119, 30086865, 49550805, 90260595, 161131877, 483395631, 805659385, 1450186893, 2416978155, 4350560679, 7250934465, 21752803395]

約数ペア:

[(1, 21752803395), (3, 7250934465), (5, 4350560679), (9, 2416978155), (15, 1450186893), (27, 805659385), (45, 483395631), (135, 161131877), (241, 90260595), (439, 49550805), (723, 30086865), (1205, 18052119), (1317, 16516935), (1523, 14282865), (2169, 10028955), (2195, 9910161), (3615, 6017373), (3951, 5505645), (4569, 4760955), (6507, 3342985), (6585, 3303387), (7615, 2856573), (10845, 2005791), (11853, 1835215), (13707, 1586985), (19755, 1101129), (22845, 952191), (32535, 668597), (41121, 528995), (59265, 367043), (68535, 317397), (105799, 205605)]