201389877

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{691}}^1$

素因数の和:810

約数の個数: 48

約数和(自身を含む): 326446848

約数和(自身を除く): 125056971

約数列:

[1, 3, 9, 13, 39, 47, 53, 117, 141, 159, 423, 477, 611, 689, 691, 1833, 2067, 2073, 2491, 5499, 6201, 6219, 7473, 8983, 22419, 26949, 32383, 32477, 36623, 80847, 97149, 97431, 109869, 291447, 292293, 329607, 422201, 476099, 1266603, 1428297, 1721281, 3799809, 4284891, 5163843, 15491529, 22376653, 67129959, 201389877]

約数ペア:

[(1, 201389877), (3, 67129959), (9, 22376653), (13, 15491529), (39, 5163843), (47, 4284891), (53, 3799809), (117, 1721281), (141, 1428297), (159, 1266603), (423, 476099), (477, 422201), (611, 329607), (689, 292293), (691, 291447), (1833, 109869), (2067, 97431), (2073, 97149), (2491, 80847), (5499, 36623), (6201, 32477), (6219, 32383), (7473, 26949), (8983, 22419)]