201983205

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{887}}^1$

素因数の和:978

約数の個数: 64

約数和(自身を含む): 368271360

約数和(自身を除く): 166288155

約数列:

[1, 3, 5, 15, 17, 19, 47, 51, 57, 85, 95, 141, 235, 255, 285, 323, 705, 799, 887, 893, 969, 1615, 2397, 2661, 2679, 3995, 4435, 4465, 4845, 11985, 13305, 13395, 15079, 15181, 16853, 41689, 45237, 45543, 50559, 75395, 75905, 84265, 125067, 208445, 226185, 227715, 252795, 286501, 625335, 708713, 792091, 859503, 1432505, 2126139, 2376273, 3543565, 3960455, 4297515, 10630695, 11881365, 13465547, 40396641, 67327735, 201983205]

約数ペア:

[(1, 201983205), (3, 67327735), (5, 40396641), (15, 13465547), (17, 11881365), (19, 10630695), (47, 4297515), (51, 3960455), (57, 3543565), (85, 2376273), (95, 2126139), (141, 1432505), (235, 859503), (255, 792091), (285, 708713), (323, 625335), (705, 286501), (799, 252795), (887, 227715), (893, 226185), (969, 208445), (1615, 125067), (2397, 84265), (2661, 75905), (2679, 75395), (3995, 50559), (4435, 45543), (4465, 45237), (4845, 41689), (11985, 16853), (13305, 15181), (13395, 15079)]