66995385

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:218

約数の個数: 64

約数和(自身を含む): 118920960

約数和(自身を除く): 51925575

約数列:

[1, 3, 5, 15, 17, 51, 59, 61, 73, 85, 177, 183, 219, 255, 295, 305, 365, 885, 915, 1003, 1037, 1095, 1241, 3009, 3111, 3599, 3723, 4307, 4453, 5015, 5185, 6205, 10797, 12921, 13359, 15045, 15555, 17995, 18615, 21535, 22265, 53985, 61183, 64605, 66795, 73219, 75701, 183549, 219657, 227103, 262727, 305915, 366095, 378505, 788181, 917745, 1098285, 1135515, 1313635, 3940905, 4466359, 13399077, 22331795, 66995385]

約数ペア:

[(1, 66995385), (3, 22331795), (5, 13399077), (15, 4466359), (17, 3940905), (51, 1313635), (59, 1135515), (61, 1098285), (73, 917745), (85, 788181), (177, 378505), (183, 366095), (219, 305915), (255, 262727), (295, 227103), (305, 219657), (365, 183549), (885, 75701), (915, 73219), (1003, 66795), (1037, 64605), (1095, 61183), (1241, 53985), (3009, 22265), (3111, 21535), (3599, 18615), (3723, 17995), (4307, 15555), (4453, 15045), (5015, 13359), (5185, 12921), (6205, 10797)]