25070325

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^2$

素因数の和:143

約数の個数: 72

約数和(自身を含む): 51121728

約数和(自身を除く): 26051403

約数列:

[1, 3, 5, 7, 15, 17, 21, 25, 35, 51, 53, 75, 85, 105, 119, 159, 175, 255, 265, 357, 371, 425, 525, 595, 795, 901, 1113, 1275, 1325, 1785, 1855, 2703, 2809, 2975, 3975, 4505, 5565, 6307, 8427, 8925, 9275, 13515, 14045, 18921, 19663, 22525, 27825, 31535, 42135, 47753, 58989, 67575, 70225, 94605, 98315, 143259, 157675, 210675, 238765, 294945, 334271, 473025, 491575, 716295, 1002813, 1193825, 1474725, 1671355, 3581475, 5014065, 8356775, 25070325]

約数ペア:

[(1, 25070325), (3, 8356775), (5, 5014065), (7, 3581475), (15, 1671355), (17, 1474725), (21, 1193825), (25, 1002813), (35, 716295), (51, 491575), (53, 473025), (75, 334271), (85, 294945), (105, 238765), (119, 210675), (159, 157675), (175, 143259), (255, 98315), (265, 94605), (357, 70225), (371, 67575), (425, 58989), (525, 47753), (595, 42135), (795, 31535), (901, 27825), (1113, 22525), (1275, 19663), (1325, 18921), (1785, 14045), (1855, 13515), (2703, 9275), (2809, 8925), (2975, 8427), (3975, 6307), (4505, 5565)]