72005193

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:164

約数の個数: 80

約数和(自身を含む): 126033600

約数和(自身を除く): 54028407

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 59, 61, 81, 117, 171, 177, 183, 247, 351, 513, 531, 549, 741, 767, 793, 1053, 1121, 1159, 1539, 1593, 1647, 2223, 2301, 2379, 3363, 3477, 3599, 4779, 4941, 6669, 6903, 7137, 10089, 10431, 10797, 14573, 15067, 20007, 20709, 21411, 30267, 31293, 32391, 43719, 45201, 46787, 62127, 64233, 68381, 90801, 93879, 97173, 131157, 135603, 140361, 205143, 291519, 393471, 406809, 421083, 615429, 888953, 1180413, 1220427, 1263249, 1846287, 2666859, 3789747, 5538861, 8000577, 24001731, 72005193]

約数ペア:

[(1, 72005193), (3, 24001731), (9, 8000577), (13, 5538861), (19, 3789747), (27, 2666859), (39, 1846287), (57, 1263249), (59, 1220427), (61, 1180413), (81, 888953), (117, 615429), (171, 421083), (177, 406809), (183, 393471), (247, 291519), (351, 205143), (513, 140361), (531, 135603), (549, 131157), (741, 97173), (767, 93879), (793, 90801), (1053, 68381), (1121, 64233), (1159, 62127), (1539, 46787), (1593, 45201), (1647, 43719), (2223, 32391), (2301, 31293), (2379, 30267), (3363, 21411), (3477, 20709), (3599, 20007), (4779, 15067), (4941, 14573), (6669, 10797), (6903, 10431), (7137, 10089)]