7642341

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:178

約数の個数: 48

約数和(自身を含む): 13478400

約数和(自身を除く): 5836059

約数列:

[1, 3, 7, 9, 21, 29, 47, 63, 87, 89, 141, 203, 261, 267, 329, 423, 609, 623, 801, 987, 1363, 1827, 1869, 2581, 2961, 4089, 4183, 5607, 7743, 9541, 12267, 12549, 18067, 23229, 28623, 29281, 37647, 54201, 85869, 87843, 121307, 162603, 263529, 363921, 849149, 1091763, 2547447, 7642341]

約数ペア:

[(1, 7642341), (3, 2547447), (7, 1091763), (9, 849149), (21, 363921), (29, 263529), (47, 162603), (63, 121307), (87, 87843), (89, 85869), (141, 54201), (203, 37647), (261, 29281), (267, 28623), (329, 23229), (423, 18067), (609, 12549), (623, 12267), (801, 9541), (987, 7743), (1363, 5607), (1827, 4183), (1869, 4089), (2581, 2961)]