39644925

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{647}}^1$

素因数の和:722

約数の個数: 48

約数和(自身を含む): 70709760

約数和(自身を除く): 31064835

約数列:

[1, 3, 5, 15, 19, 25, 43, 57, 75, 95, 129, 215, 285, 475, 645, 647, 817, 1075, 1425, 1941, 2451, 3225, 3235, 4085, 9705, 12255, 12293, 16175, 20425, 27821, 36879, 48525, 61275, 61465, 83463, 139105, 184395, 307325, 417315, 528599, 695525, 921975, 1585797, 2086575, 2642995, 7928985, 13214975, 39644925]

約数ペア:

[(1, 39644925), (3, 13214975), (5, 7928985), (15, 2642995), (19, 2086575), (25, 1585797), (43, 921975), (57, 695525), (75, 528599), (95, 417315), (129, 307325), (215, 184395), (285, 139105), (475, 83463), (645, 61465), (647, 61275), (817, 48525), (1075, 36879), (1425, 27821), (1941, 20425), (2451, 16175), (3225, 12293), (3235, 12255), (4085, 9705)]