17981055

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{5791}}^1$

素因数の和:5828

約数の個数: 32

約数和(自身を含む): 33361920

約数和(自身を除く): 15380865

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 345, 621, 1035, 3105, 5791, 17373, 28955, 52119, 86865, 133193, 156357, 260595, 399579, 665965, 781785, 1198737, 1997895, 3596211, 5993685, 17981055]

約数ペア:

[(1, 17981055), (3, 5993685), (5, 3596211), (9, 1997895), (15, 1198737), (23, 781785), (27, 665965), (45, 399579), (69, 260595), (115, 156357), (135, 133193), (207, 86865), (345, 52119), (621, 28955), (1035, 17373), (3105, 5791)]