71829975

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{379}}^1$

素因数の和:437

約数の個数: 72

約数和(自身を含む): 143621760

約数和(自身を除く): 71791785

約数列:

[1, 3, 5, 7, 15, 19, 21, 25, 35, 57, 75, 95, 105, 133, 175, 285, 361, 379, 399, 475, 525, 665, 1083, 1137, 1425, 1805, 1895, 1995, 2527, 2653, 3325, 5415, 5685, 7201, 7581, 7959, 9025, 9475, 9975, 12635, 13265, 21603, 27075, 28425, 36005, 37905, 39795, 50407, 63175, 66325, 108015, 136819, 151221, 180025, 189525, 198975, 252035, 410457, 540075, 684095, 756105, 957733, 1260175, 2052285, 2873199, 3420475, 3780525, 4788665, 10261425, 14365995, 23943325, 71829975]

約数ペア:

[(1, 71829975), (3, 23943325), (5, 14365995), (7, 10261425), (15, 4788665), (19, 3780525), (21, 3420475), (25, 2873199), (35, 2052285), (57, 1260175), (75, 957733), (95, 756105), (105, 684095), (133, 540075), (175, 410457), (285, 252035), (361, 198975), (379, 189525), (399, 180025), (475, 151221), (525, 136819), (665, 108015), (1083, 66325), (1137, 63175), (1425, 50407), (1805, 39795), (1895, 37905), (1995, 36005), (2527, 28425), (2653, 27075), (3325, 21603), (5415, 13265), (5685, 12635), (7201, 9975), (7581, 9475), (7959, 9025)]