208764075

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6907}}^1$

素因数の和:6964

約数の個数: 48

約数和(自身を含む): 383753216

約数和(自身を除く): 174989141

約数列:

[1, 3, 5, 13, 15, 25, 31, 39, 65, 75, 93, 155, 195, 325, 403, 465, 775, 975, 1209, 2015, 2325, 6045, 6907, 10075, 20721, 30225, 34535, 89791, 103605, 172675, 214117, 269373, 448955, 518025, 642351, 1070585, 1346865, 2244775, 2783521, 3211755, 5352925, 6734325, 8350563, 13917605, 16058775, 41752815, 69588025, 208764075]

約数ペア:

[(1, 208764075), (3, 69588025), (5, 41752815), (13, 16058775), (15, 13917605), (25, 8350563), (31, 6734325), (39, 5352925), (65, 3211755), (75, 2783521), (93, 2244775), (155, 1346865), (195, 1070585), (325, 642351), (403, 518025), (465, 448955), (775, 269373), (975, 214117), (1209, 172675), (2015, 103605), (2325, 89791), (6045, 34535), (6907, 30225), (10075, 20721)]