25667187

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{631}}^1$

素因数の和:803

約数の個数: 32

約数和(自身を含む): 42470400

約数和(自身を除く): 16803213

約数列:

[1, 3, 7, 13, 21, 39, 91, 149, 273, 447, 631, 1043, 1893, 1937, 3129, 4417, 5811, 8203, 13251, 13559, 24609, 40677, 57421, 94019, 172263, 282057, 658133, 1222247, 1974399, 3666741, 8555729, 25667187]

約数ペア:

[(1, 25667187), (3, 8555729), (7, 3666741), (13, 1974399), (21, 1222247), (39, 658133), (91, 282057), (149, 172263), (273, 94019), (447, 57421), (631, 40677), (1043, 24609), (1893, 13559), (1937, 13251), (3129, 8203), (4417, 5811)]