18315164745

素因数分解:

$3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{571}}^1\times {\mathrm{2731}}^1$

素因数の和:3348

約数の個数: 80

約数和(自身を含む): 34035693120

約数和(自身を除く): 15720528375

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 81, 87, 135, 145, 261, 405, 435, 571, 783, 1305, 1713, 2349, 2731, 2855, 3915, 5139, 8193, 8565, 11745, 13655, 15417, 16559, 24579, 25695, 40965, 46251, 49677, 73737, 77085, 79199, 82795, 122895, 149031, 221211, 231255, 237597, 248385, 368685, 395995, 447093, 712791, 745155, 1106055, 1187985, 1341279, 1559401, 2138373, 2235465, 3563955, 4678203, 6415119, 6706395, 7797005, 10691865, 14034609, 23391015, 32075595, 42103827, 45222629, 70173045, 126311481, 135667887, 210519135, 226113145, 407003661, 631557405, 678339435, 1221010983, 2035018305, 3663032949, 6105054915, 18315164745]

約数ペア:

[(1, 18315164745), (3, 6105054915), (5, 3663032949), (9, 2035018305), (15, 1221010983), (27, 678339435), (29, 631557405), (45, 407003661), (81, 226113145), (87, 210519135), (135, 135667887), (145, 126311481), (261, 70173045), (405, 45222629), (435, 42103827), (571, 32075595), (783, 23391015), (1305, 14034609), (1713, 10691865), (2349, 7797005), (2731, 6706395), (2855, 6415119), (3915, 4678203), (5139, 3563955), (8193, 2235465), (8565, 2138373), (11745, 1559401), (13655, 1341279), (15417, 1187985), (16559, 1106055), (24579, 745155), (25695, 712791), (40965, 447093), (46251, 395995), (49677, 368685), (73737, 248385), (77085, 237597), (79199, 231255), (82795, 221211), (122895, 149031)]