2491047

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1$

素因数の和:220

約数の個数: 32

約数和(自身を含む): 4085760

約数和(自身を除く): 1594713

約数列:

[1, 3, 9, 13, 27, 39, 47, 117, 141, 151, 351, 423, 453, 611, 1269, 1359, 1833, 1963, 4077, 5499, 5889, 7097, 16497, 17667, 21291, 53001, 63873, 92261, 191619, 276783, 830349, 2491047]

約数ペア:

[(1, 2491047), (3, 830349), (9, 276783), (13, 191619), (27, 92261), (39, 63873), (47, 53001), (117, 21291), (141, 17667), (151, 16497), (351, 7097), (423, 5889), (453, 5499), (611, 4077), (1269, 1963), (1359, 1833)]