140149149

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{1783}}^1$

素因数の和:2009

約数の個数: 32

約数和(自身を含む): 226068480

約数和(自身を除く): 85919331

約数列:

[1, 3, 7, 19, 21, 57, 133, 197, 399, 591, 1379, 1783, 3743, 4137, 5349, 11229, 12481, 26201, 33877, 37443, 78603, 101631, 237139, 351251, 711417, 1053753, 2458757, 6673769, 7376271, 20021307, 46716383, 140149149]

約数ペア:

[(1, 140149149), (3, 46716383), (7, 20021307), (19, 7376271), (21, 6673769), (57, 2458757), (133, 1053753), (197, 711417), (399, 351251), (591, 237139), (1379, 101631), (1783, 78603), (3743, 37443), (4137, 33877), (5349, 26201), (11229, 12481)]