208585575

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1187}}^1$

素因数の和:1285

約数の個数: 72

約数和(自身を含む): 413652096

約数和(自身を除く): 205066521

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 71, 75, 99, 165, 213, 225, 275, 355, 495, 639, 781, 825, 1065, 1187, 1775, 2343, 2475, 3195, 3561, 3905, 5325, 5935, 7029, 10683, 11715, 13057, 15975, 17805, 19525, 29675, 35145, 39171, 53415, 58575, 65285, 84277, 89025, 117513, 175725, 195855, 252831, 267075, 326425, 421385, 587565, 758493, 927047, 979275, 1264155, 2106925, 2781141, 2937825, 3792465, 4635235, 6320775, 8343423, 13905705, 18962325, 23176175, 41717115, 69528525, 208585575]

約数ペア:

[(1, 208585575), (3, 69528525), (5, 41717115), (9, 23176175), (11, 18962325), (15, 13905705), (25, 8343423), (33, 6320775), (45, 4635235), (55, 3792465), (71, 2937825), (75, 2781141), (99, 2106925), (165, 1264155), (213, 979275), (225, 927047), (275, 758493), (355, 587565), (495, 421385), (639, 326425), (781, 267075), (825, 252831), (1065, 195855), (1187, 175725), (1775, 117513), (2343, 89025), (2475, 84277), (3195, 65285), (3561, 58575), (3905, 53415), (5325, 39171), (5935, 35145), (7029, 29675), (10683, 19525), (11715, 17805), (13057, 15975)]