81590121

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{269}}^1\times {\mathrm{503}}^1$

素因数の和:845

約数の個数: 24

約数和(自身を含む): 120294720

約数和(自身を除く): 38704599

約数列:

[1, 3, 9, 67, 201, 269, 503, 603, 807, 1509, 2421, 4527, 18023, 33701, 54069, 101103, 135307, 162207, 303309, 405921, 1217763, 9065569, 27196707, 81590121]

約数ペア:

[(1, 81590121), (3, 27196707), (9, 9065569), (67, 1217763), (201, 405921), (269, 303309), (503, 162207), (603, 135307), (807, 101103), (1509, 54069), (2421, 33701), (4527, 18023)]