209976501

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{1993}}^1$

素因数の和:2205

約数の個数: 32

約数和(自身を含む): 333077760

約数和(自身を除く): 123101259

約数列:

[1, 3, 7, 21, 29, 87, 173, 203, 519, 609, 1211, 1993, 3633, 5017, 5979, 13951, 15051, 35119, 41853, 57797, 105357, 173391, 344789, 404579, 1034367, 1213737, 2413523, 7240569, 9998881, 29996643, 69992167, 209976501]

約数ペア:

[(1, 209976501), (3, 69992167), (7, 29996643), (21, 9998881), (29, 7240569), (87, 2413523), (173, 1213737), (203, 1034367), (519, 404579), (609, 344789), (1211, 173391), (1993, 105357), (3633, 57797), (5017, 41853), (5979, 35119), (13951, 15051)]