40401201

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:309

約数の個数: 32

約数和(自身を含む): 58752000

約数和(自身を除く): 18350799

約数列:

[1, 3, 19, 57, 67, 71, 149, 201, 213, 447, 1273, 1349, 2831, 3819, 4047, 4757, 8493, 9983, 10579, 14271, 29949, 31737, 90383, 189677, 201001, 271149, 569031, 603003, 708793, 2126379, 13467067, 40401201]

約数ペア:

[(1, 40401201), (3, 13467067), (19, 2126379), (57, 708793), (67, 603003), (71, 569031), (149, 271149), (201, 201001), (213, 189677), (447, 90383), (1273, 31737), (1349, 29949), (2831, 14271), (3819, 10579), (4047, 9983), (4757, 8493)]