17738865

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1$

素因数の和:263

約数の個数: 64

約数和(自身を含む): 34214400

約数和(自身を除く): 16475535

約数列:

[1, 3, 5, 9, 15, 23, 27, 29, 45, 69, 87, 115, 135, 145, 197, 207, 261, 345, 435, 591, 621, 667, 783, 985, 1035, 1305, 1773, 2001, 2955, 3105, 3335, 3915, 4531, 5319, 5713, 6003, 8865, 10005, 13593, 17139, 18009, 22655, 26595, 28565, 30015, 40779, 51417, 67965, 85695, 90045, 122337, 131399, 154251, 203895, 257085, 394197, 611685, 656995, 771255, 1182591, 1970985, 3547773, 5912955, 17738865]

約数ペア:

[(1, 17738865), (3, 5912955), (5, 3547773), (9, 1970985), (15, 1182591), (23, 771255), (27, 656995), (29, 611685), (45, 394197), (69, 257085), (87, 203895), (115, 154251), (135, 131399), (145, 122337), (197, 90045), (207, 85695), (261, 67965), (345, 51417), (435, 40779), (591, 30015), (621, 28565), (667, 26595), (783, 22655), (985, 18009), (1035, 17139), (1305, 13593), (1773, 10005), (2001, 8865), (2955, 6003), (3105, 5713), (3335, 5319), (3915, 4531)]