220141701

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{271}}^1$

素因数の和:474

約数の個数: 48

約数和(自身を含む): 352864512

約数和(自身を除く): 132722811

約数列:

[1, 3, 9, 13, 39, 53, 117, 131, 159, 271, 393, 477, 689, 813, 1179, 1703, 2067, 2439, 3523, 5109, 6201, 6943, 10569, 14363, 15327, 20829, 31707, 35501, 43089, 62487, 90259, 106503, 129267, 186719, 270777, 319509, 461513, 560157, 812331, 1384539, 1680471, 1881553, 4153617, 5644659, 16933977, 24460189, 73380567, 220141701]

約数ペア:

[(1, 220141701), (3, 73380567), (9, 24460189), (13, 16933977), (39, 5644659), (53, 4153617), (117, 1881553), (131, 1680471), (159, 1384539), (271, 812331), (393, 560157), (477, 461513), (689, 319509), (813, 270777), (1179, 186719), (1703, 129267), (2067, 106503), (2439, 90259), (3523, 62487), (5109, 43089), (6201, 35501), (6943, 31707), (10569, 20829), (14363, 15327)]