220187961

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{2477}}^1$

素因数の和:2590

約数の個数: 48

約数和(自身を含む): 389660544

約数和(自身を除く): 169472583

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 83, 119, 153, 249, 357, 581, 747, 1071, 1411, 1743, 2477, 4233, 5229, 7431, 9877, 12699, 17339, 22293, 29631, 42109, 52017, 88893, 126327, 156051, 205591, 294763, 378981, 616773, 884289, 1439137, 1850319, 2652867, 3495047, 4317411, 10485141, 12952233, 24465329, 31455423, 73395987, 220187961]

約数ペア:

[(1, 220187961), (3, 73395987), (7, 31455423), (9, 24465329), (17, 12952233), (21, 10485141), (51, 4317411), (63, 3495047), (83, 2652867), (119, 1850319), (153, 1439137), (249, 884289), (357, 616773), (581, 378981), (747, 294763), (1071, 205591), (1411, 156051), (1743, 126327), (2477, 88893), (4233, 52017), (5229, 42109), (7431, 29631), (9877, 22293), (12699, 17339)]