64986495

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{743}}^1$

素因数の和:789

約数の個数: 64

約数和(自身を含む): 128563200

約数和(自身を除く): 63576705

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 49, 51, 85, 105, 119, 147, 245, 255, 343, 357, 595, 735, 743, 833, 1029, 1715, 1785, 2229, 2499, 3715, 4165, 5145, 5201, 5831, 11145, 12495, 12631, 15603, 17493, 26005, 29155, 36407, 37893, 63155, 78015, 87465, 88417, 109221, 182035, 189465, 254849, 265251, 442085, 546105, 618919, 764547, 1274245, 1326255, 1856757, 3094595, 3822735, 4332433, 9283785, 12997299, 21662165, 64986495]

約数ペア:

[(1, 64986495), (3, 21662165), (5, 12997299), (7, 9283785), (15, 4332433), (17, 3822735), (21, 3094595), (35, 1856757), (49, 1326255), (51, 1274245), (85, 764547), (105, 618919), (119, 546105), (147, 442085), (245, 265251), (255, 254849), (343, 189465), (357, 182035), (595, 109221), (735, 88417), (743, 87465), (833, 78015), (1029, 63155), (1715, 37893), (1785, 36407), (2229, 29155), (2499, 26005), (3715, 17493), (4165, 15603), (5145, 12631), (5201, 12495), (5831, 11145)]