61981983

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{191}}^1$

素因数の和:325

約数の個数: 64

約数和(自身を含む): 112803840

約数和(自身を除く): 50821857

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 101, 119, 153, 189, 191, 303, 357, 459, 573, 707, 909, 1071, 1337, 1717, 1719, 2121, 2727, 3213, 3247, 4011, 5151, 5157, 6363, 9741, 12019, 12033, 15453, 19089, 19291, 22729, 29223, 36057, 36099, 46359, 57873, 68187, 87669, 108171, 135037, 173619, 204561, 324513, 327947, 405111, 520857, 613683, 983841, 1215333, 2295629, 2951523, 3645999, 6886887, 8854569, 20660661, 61981983]

約数ペア:

[(1, 61981983), (3, 20660661), (7, 8854569), (9, 6886887), (17, 3645999), (21, 2951523), (27, 2295629), (51, 1215333), (63, 983841), (101, 613683), (119, 520857), (153, 405111), (189, 327947), (191, 324513), (303, 204561), (357, 173619), (459, 135037), (573, 108171), (707, 87669), (909, 68187), (1071, 57873), (1337, 46359), (1717, 36099), (1719, 36057), (2121, 29223), (2727, 22729), (3213, 19291), (3247, 19089), (4011, 15453), (5151, 12033), (5157, 12019), (6363, 9741)]